{"id":26498435,"date":"2026-10-04T12:56:45","date_gmt":"2026-10-04T10:56:45","guid":{"rendered":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/"},"modified":"2026-10-04T12:57:14","modified_gmt":"2026-10-04T10:57:14","slug":"hardened-aircraft-shelters-explained-concrete","status":"publish","type":"post","link":"https:\/\/migflug.com\/afterburner\/fr\/hardened-aircraft-shelters-explained-concrete\/","title":{"rendered":"Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete"},"content":{"rendered":"<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style>\n<!-- mfsh:top -->\n\n<style>\n.mfsh-trigger{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 18px;margin:0 0 26px;border:2px solid #0F1720;background:#fff;color:#0F1720;font-family:inherit;font-size:14px;font-weight:700;line-height:1;letter-spacing:0;text-transform:none;cursor:pointer;box-shadow:none;transition:background .15s,color .15s}\n.mfsh-trigger:hover,.mfsh-trigger:focus-visible{background:#0F1720;color:#fff;outline:none}\n.mfsh-trigger svg{width:18px;height:18px;display:block;flex-shrink:0}\n.mfsh-trigger.mfsh-bottom{margin:8px 0 28px}\n.mfsh-meta{position:relative;padding-right:190px}\n.mfsh-trigger.mfsh-inmeta{position:absolute;right:0;bottom:0;margin:0;height:30px;padding:0 8.9px;font-size:13px}\n.mfsh-trigger.mfsh-inmeta svg{width:16px;height:16px}\n.mfsh-overlay{position:fixed;inset:0;background:rgba(15,23,32,.55);z-index:99999;display:flex;align-items:flex-end;justify-content:center;opacity:0;pointer-events:none;transition:opacity .2s}\n.mfsh-overlay.mfsh-open{opacity:1;pointer-events:auto}\n.mfsh-sheet{width:100%;max-width:520px;background:#fff;color:#0F1720;padding:18px 20px 28px;transform:translateY(24px);transition:transform .22s;box-shadow:0 12px 32px rgba(15,23,32,.25);font-family:inherit;max-height:92vh;overflow:auto;-webkit-overflow-scrolling:touch}\n.mfsh-overlay.mfsh-open .mfsh-sheet{transform:none}\n@media (min-width:640px){.mfsh-overlay{align-items:center}.mfsh-sheet{padding-bottom:20px}}\n.mfsh-head{display:flex;align-items:center;justify-content:space-between;margin:0 0 14px}\n.mfsh-head strong{font-size:18px;font-weight:800;display:flex;align-items:center;gap:8px;line-height:1}\n.mfsh-head strong svg{width:18px;height:18px}\n.mfsh-close{background:none;border:0;padding:6px;margin:0;cursor:pointer;color:#0F1720;line-height:0;box-shadow:none}\n.mfsh-close svg{width:18px;height:18px}\n.mfsh-preview{display:grid;grid-template-columns:96px 1fr;gap:12px;border:1px solid #DCE3EE;background:#F5F7FB;padding:10px;margin:0 0 12px;align-items:center}\n.mfsh-preview img{width:96px;height:72px;object-fit:cover;display:block;margin:0}\n.mfsh-preview .mfsh-kicker{font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#5C91FF;margin:0 0 4px;line-height:1.2}\n.mfsh-preview .mfsh-title{font-size:14px;line-height:1.3;font-weight:700;margin:0;display:block}\n.mfsh-list{display:grid;margin:0;padding:0}\n.mfsh-item{display:flex;align-items:center;gap:14px;height:50px;width:100%;border:0;border-top:1px solid #DCE3EE;background:none;padding:0 4px;margin:0;text-align:left;font-family:inherit;font-size:15px;font-weight:600;color:#0F1720;cursor:pointer;box-shadow:none;letter-spacing:0;text-transform:none;line-height:1}\n.mfsh-item:hover,.mfsh-item:focus-visible{background:#F5F7FB;outline:none}\n.mfsh-item svg{width:20px;height:20px;color:#5C91FF;flex-shrink:0;display:block}\n.mfsh-item small{margin-left:auto;color:#5B6674;font-weight:500;font-size:12px}\n.mfsh-item.mfsh-done svg{color:#1E9E5A}\n.mfsh-toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,10px);background:#0F1720;color:#fff;padding:10px 16px;font-weight:700;font-size:13px;font-family:inherit;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:100000}\n.mfsh-toast.mfsh-show{opacity:1;transform:translate(-50%,0)}\n@media (prefers-reduced-motion:reduce){.mfsh-overlay,.mfsh-sheet,.mfsh-toast,.mfsh-trigger{transition:none}}\n<\/style>\n<svg width=\"0\" height=\"0\" style=\"position:absolute\" aria-hidden=\"true\">\n  <symbol id=\"mfsh-i-share\" viewBox=\"0 0 24 24\"><path fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.9\" stroke-linecap=\"square\" d=\"M12 3v12M8 7l4-4 4 4M5 12v8h14v-8\"\/><\/symbol>\n  <symbol id=\"mfsh-i-close\" viewBox=\"0 0 24 24\"><path fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"square\" d=\"m5 5 14 14M19 5 5 19\"\/><\/symbol>\n  <symbol id=\"mfsh-i-wa\" viewBox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M12 2a10 10 0 0 0-8.6 15.1L2 22l5.1-1.3A10 10 0 1 0 12 2Zm0 1.8a8.2 8.2 0 1 1-4.2 15.3l-.3-.2-3 .8.8-2.9-.2-.3A8.2 8.2 0 0 1 12 3.8Zm-3 4.4c-.2 0-.5 0-.8.4-.3.3-1 1-1 2.4s1 2.8 1.2 3c.1.2 2 3.2 5 4.4 2.5 1 3 .8 3.5.7.5 0 1.7-.7 2-1.4.2-.7.2-1.3.1-1.4l-.5-.3-2-1c-.3 0-.5-.1-.7.2l-.9 1.1c-.2.2-.3.2-.6.1-.3-.2-1.3-.5-2.4-1.5-.9-.8-1.5-1.8-1.7-2-.2-.4 0-.5.2-.7l.4-.5.3-.5v-.5l-.9-2.2c-.2-.5-.4-.5-.6-.5H9Z\"\/><\/symbol>\n  <symbol id=\"mfsh-i-x\" viewBox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M17.8 3h3l-6.7 7.7L22 21h-6.2l-4.8-6.3L5.4 21h-3l7.2-8.2L2 3h6.3l4.4 5.8L17.8 3Zm-1.1 16.2h1.7L7.4 4.7H5.6l11.1 14.5Z\"\/><\/symbol>\n  <symbol id=\"mfsh-i-fb\" viewBox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M13.5 22v-8h2.7l.4-3.2h-3.1V8.8c0-.9.3-1.6 1.6-1.6h1.7V4.4c-.3 0-1.3-.1-2.5-.1-2.5 0-4.1 1.5-4.1 4.2v2.3H7.4V14h2.8v8h3.3Z\"\/><\/symbol>\n  <symbol id=\"mfsh-i-li\" viewBox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M6.5 8.5H3V21h3.5V8.5ZM4.8 3a2 2 0 1 0 0 4 2 2 0 0 0 0-4ZM21 13.4c0-3.4-1.8-5.2-4.5-5.2-1.6 0-2.7.8-3.2 1.7V8.5H9.9V21h3.4v-6.4c0-1.7.6-2.8 2.1-2.8 1.4 0 2 1 2 2.8V21H21v-7.6Z\"\/><\/symbol>\n  <symbol id=\"mfsh-i-rd\" viewBox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M22 12.1a2.4 2.4 0 0 0-4.1-1.7 11.7 11.7 0 0 0-5.5-1.7l1-4.5 3.1.7a1.7 1.7 0 1 0 .2-1l-3.6-.8a.5.5 0 0 0-.6.4l-1.1 5.2a11.8 11.8 0 0 0-5.8 1.7A2.4 2.4 0 1 0 3 14.3v.5c0 3.4 4 6.2 9 6.2s9-2.8 9-6.2v-.5a2.4 2.4 0 0 0 1-2.2ZM7.5 13.8a1.7 1.7 0 1 1 3.4 0 1.7 1.7 0 0 1-3.4 0Zm8.9 4.5c-1.2 1.2-3.4 1.3-4.4 1.3s-3.3-.1-4.4-1.3a.5.5 0 0 1 .7-.7c.7.8 2.4 1 3.7 1s2.9-.2 3.7-1a.5.5 0 0 1 .7.7Zm-.6-2.8a1.7 1.7 0 1 1 0-3.4 1.7 1.7 0 0 1 0 3.4Z\"\/><\/symbol>\n  <symbol id=\"mfsh-i-tg\" viewBox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M21.9 4.6 18.7 19.9c-.2 1-.9 1.3-1.7.8l-4.9-3.6-2.3 2.3c-.3.3-.5.5-1 .5l.4-5 9-8.2c.4-.3-.1-.5-.6-.2L6.4 13.5 1.6 12c-1-.3-1.1-1 .2-1.5l18.8-7.2c.9-.3 1.6.2 1.3 1.3Z\"\/><\/symbol>\n  <symbol id=\"mfsh-i-mail\" viewBox=\"0 0 24 24\"><path fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" d=\"M3 6h18v12H3z\"\/><path fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" d=\"m3 7 9 6 9-6\"\/><\/symbol>\n  <symbol id=\"mfsh-i-link\" viewBox=\"0 0 24 24\"><path fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.9\" stroke-linecap=\"square\" d=\"M10 14a4 4 0 0 0 5.7 0l3-3a4 4 0 0 0-5.7-5.7l-1.5 1.5M14 10a4 4 0 0 0-5.7 0l-3 3a4 4 0 0 0 5.7 5.7l1.5-1.5\"\/><\/symbol>\n  <symbol id=\"mfsh-i-more\" viewBox=\"0 0 24 24\"><circle cx=\"5\" cy=\"12\" r=\"2\" fill=\"currentColor\"\/><circle cx=\"12\" cy=\"12\" r=\"2\" fill=\"currentColor\"\/><circle cx=\"19\" cy=\"12\" r=\"2\" fill=\"currentColor\"\/><\/symbol>\n<\/svg>\n<span class=\"mfsh-top-slot\"><button type=\"button\" class=\"mfsh-trigger\" data-mfsh-placement=\"top\" aria-haspopup=\"dialog\"><svg><use href=\"#mfsh-i-share\"\/><\/svg>Share this story<\/button><\/span>\n<script>\n(function(){\n  if (window.__mfsh) return; window.__mfsh = true;\n  var SECTION = 'afterburner';\n  function meta(p){ var m=document.querySelector('meta[property=\"'+p+'\"]'); return m ? m.getAttribute('content') : ''; }\n  function pageUrl(){ var c=document.querySelector('link[rel=\"canonical\"]'); return (c && c.href) || (location.origin + location.pathname); }\n  function pageTitle(){ var h=document.querySelector('h1.entry-title'); return (h && h.textContent.trim()) || meta('og:title') || document.title; }\n  function slug(){ return location.pathname.replace(\/\\\/+$\/,'').split('\/').pop() || 'home'; }\n  function kicker(){ var c=document.querySelector('.et_pb_title_container a[rel=\"category tag\"], .et_pb_title_container a[rel=\"category\"], a[rel=\"category tag\"]'); return 'Afterburner' + (c && c.textContent.trim() ? ' \u00b7 ' + c.textContent.trim() : ''); }\n  function shareUrl(ch, placement){ return pageUrl() + '?utm_source=share&utm_medium=' + ch + '&utm_campaign=' + SECTION + '&utm_content=sheet_' + placement; }\n  function track(ch, placement, extra){\n    window.dataLayer = window.dataLayer || [];\n    var ev = { event:'share', share_channel:ch, share_variant:'sheet', share_placement:placement, page_section:SECTION, content_id:slug() };\n    if (extra) for (var k in extra) ev[k]=extra[k];\n    window.dataLayer.push(ev);\n  }\n  var CH = [\n    ['whatsapp','WhatsApp','mfsh-i-wa',''],\n    ['x','X','mfsh-i-x',''],\n    ['facebook','Facebook','mfsh-i-fb',''],\n    ['linkedin','LinkedIn','mfsh-i-li',''],\n    ['reddit','Reddit','mfsh-i-rd','r\/aviation, r\/WarplanePorn'],\n    ['telegram','Telegram','mfsh-i-tg',''],\n    ['email','Email','mfsh-i-mail',''],\n    ['copy','Copy link','mfsh-i-link',''],\n    ['native','More','mfsh-i-more','Instagram, Signal, AirDrop']\n  ];\n  var overlay, toastEl, toastT, placement = 'top';\n  function build(){\n    overlay = document.createElement('div'); overlay.className = 'mfsh-overlay'; overlay.setAttribute('role','dialog'); overlay.setAttribute('aria-modal','true'); overlay.setAttribute('aria-label','Share');\n    var img = meta('og:image');\n    var items = CH.filter(function(c){ return c[0] !== 'native' || !!navigator.share; }).map(function(c){\n      return '<button type=\"button\" class=\"mfsh-item\" data-mfsh-ch=\"'+c[0]+'\"><svg><use href=\"#'+c[2]+'\"\/><\/svg>'+c[1]+(c[3]?'<small>'+c[3]+'<\/small>':'')+'<\/button>';\n    }).join('');\n    overlay.innerHTML = '<div class=\"mfsh-sheet\"><div class=\"mfsh-head\"><strong><svg><use href=\"#mfsh-i-share\"\/><\/svg>Share<\/strong><button type=\"button\" class=\"mfsh-close\" aria-label=\"Close\"><svg><use href=\"#mfsh-i-close\"\/><\/svg><\/button><\/div>'\n      + '<div class=\"mfsh-preview\">' + (img ? '<img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"'+img+'\" alt=\"\">' : '<span><\/span>') + '<div><div class=\"mfsh-kicker\">'+kicker()+'<\/div><span class=\"mfsh-title\">'+pageTitle()+'<\/span><\/div><\/div>'\n      + '<div class=\"mfsh-list\">'+items+'<\/div><\/div>';\n    document.body.appendChild(overlay);\n    toastEl = document.createElement('div'); toastEl.className = 'mfsh-toast'; document.body.appendChild(toastEl);\n    overlay.addEventListener('click', function(e){\n      if (e.target === overlay || e.target.closest('.mfsh-close')) { close(); return; }\n      var b = e.target.closest('.mfsh-item'); if (b) act(b.getAttribute('data-mfsh-ch'), b);\n    });\n    document.addEventListener('keydown', function(e){ if (e.key === 'Escape') close(); });\n  }\n  function open(p){ placement = p || 'top'; if (!overlay) build(); overlay.classList.add('mfsh-open'); track('open', placement); }\n  function close(){ if (overlay) overlay.classList.remove('mfsh-open'); }\n  function toast(m){ toastEl.textContent = m; toastEl.classList.add('mfsh-show'); clearTimeout(toastT); toastT = setTimeout(function(){ toastEl.classList.remove('mfsh-show'); }, 1600); }\n  function act(ch, btn){\n    var url = shareUrl(ch, placement), t = pageTitle(), enc = encodeURIComponent;\n    if (ch === 'copy') {\n      var done = function(){ toast('Link copied'); btn.classList.add('mfsh-done'); setTimeout(function(){ btn.classList.remove('mfsh-done'); close(); }, 900); };\n      track(ch, placement);\n      if (navigator.clipboard && navigator.clipboard.writeText) navigator.clipboard.writeText(url).then(done, done); else done();\n      return;\n    }\n    if (ch === 'native') {\n      track(ch, placement, { share_result:'opened' });\n      navigator.share({ title:t, text:t, url:url }).then(function(){ track('native', placement, { share_result:'completed' }); close(); }).catch(function(){});\n      return;\n    }\n    var target = {\n      whatsapp: 'https:\/\/api.whatsapp.com\/send?text=' + enc(t + ' ' + url),\n      x:        'https:\/\/twitter.com\/intent\/tweet?text=' + enc(t) + '&url=' + enc(url) + '&via=MiGFlug',\n      facebook: 'https:\/\/www.facebook.com\/sharer\/sharer.php?u=' + enc(url),\n      linkedin: 'https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=' + enc(url),\n      reddit:   'https:\/\/www.reddit.com\/submit?url=' + enc(url) + '&title=' + enc(t),\n      telegram: 'https:\/\/t.me\/share\/url?url=' + enc(url) + '&text=' + enc(t),\n      email:    'mailto:?subject=' + enc(t) + '&body=' + enc('Thought you would like this, from Afterburner, MiGFlug\\'s magazine:\\n' + t + '\\n' + url)\n    }[ch];\n    track(ch, placement);\n    if (target) { if (ch === 'email') location.href = target; else window.open(target, '_blank', 'noopener,width=680,height=560'); }\n    close();\n  }\n  var mq = window.matchMedia('(min-width:981px)');\n  function place(){\n    var t = document.querySelector('.mfsh-trigger[data-mfsh-placement=\"top\"]'), slot = document.querySelector('.mfsh-top-slot');\n    var meta = [].slice.call(document.querySelectorAll('.et_pb_title_meta_container, .et_post_meta_wrapper .post-meta, .single .post-meta')).filter(function(m){ return m.offsetParent !== null; })[0];\n    if (!t || !slot) return;\n    if (meta && mq.matches) { meta.classList.add('mfsh-meta'); t.classList.add('mfsh-inmeta'); if (t.parentNode !== meta) meta.appendChild(t); var a = meta.querySelector('a'); if (a) { var pr = document.createElement('span'); pr.style.cssText = 'display:inline-block;width:0;height:0;vertical-align:baseline'; a.appendChild(pr); var base = pr.getBoundingClientRect().bottom; pr.remove(); var fs = parseFloat(getComputedStyle(a).fontSize) || 14, mb = meta.getBoundingClientRect().bottom; t.style.bottom = Math.max(0, mb - (base + fs * 0.12)) + 'px'; } }\n    else { t.classList.remove('mfsh-inmeta'); if (t.parentNode !== slot) slot.appendChild(t); }\n  }\n  if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', place); else place(); window.addEventListener('load', place); if (document.fonts && document.fonts.ready) document.fonts.ready.then(place); window.addEventListener('resize', place);\n  if (mq.addEventListener) mq.addEventListener('change', place); else mq.addListener(place);\n  document.addEventListener('click', function(e){ var b = e.target.closest('.mfsh-trigger'); if (b) { e.preventDefault(); open(b.getAttribute('data-mfsh-placement') || 'top'); } });\n})();\n<\/script><!-- \/mfsh:top -->\n<p>A fighter jet is never more vulnerable than when it is parked. In the air it can manoeuvre, climb, jam and fire back. On the ground, with its pilot asleep and its tanks being filled, it is a very expensive target that cannot move. For most of the jet age, the answer has been to put it inside a mound of reinforced concrete.<\/p><p>The hardened aircraft shelter, usually shortened to HAS, is one of the least glamorous pieces of military aviation and one of the most important. Wars in Ukraine and the Middle East have pushed it back into the headlines. Here is why air forces build them, how they work, how they have been defeated, and why the debate over them is suddenly urgent.<\/p>\n\n<div style=\"background:#f4f6f9;border:1px solid #e2e7ee;padding:18px 22px;margin:22px 0 26px\"><p style=\"margin:0 0 8px;font-weight:700;color:#0d1117\">Quick Facts<\/p><ul style=\"margin:0;padding-left:18px\"><li style=\"margin:4px 0\"><strong>What it is:<\/strong> A reinforced concrete hangar for one or two combat aircraft, with heavy blast doors<\/li><li style=\"margin:4px 0\"><strong>Catalyst:<\/strong> Operation Focus, 5 June 1967: Israel destroys most of Egypt&rsquo;s air force on the ground<\/li><li style=\"margin:4px 0\"><strong>NATO design standard:<\/strong> Survive a direct hit by a 500 lb bomb or a near miss by a larger one<\/li><li style=\"margin:4px 0\"><strong>Gulf War 1991:<\/strong> Coalition aircraft destroyed over half of Iraq&rsquo;s shelters<\/li><li style=\"margin:4px 0\"><strong>Cost:<\/strong> About $4 million per single-aircraft USAF shelter in 1999; estimates of $5 million to $30 million today<\/li><li style=\"margin:4px 0\"><strong>Western Pacific:<\/strong> Since the early 2010s China has more than doubled its aircraft shelters to over 3,000; the US added two hardened shelters<\/li><\/ul><\/div>\n\n<h2 style=\"padding-top:22px\">The Morning That Changed Air Base Design<\/h2><p>The modern hardened shelter was born from a single morning. On 5 June 1967, at the start of the Six-Day War, the <a href=\"https:\/\/migflug.com\/air-forces\/israeli-air-force\/\">Israeli Air Force<\/a> launched Operation Focus against Egyptian airfields. The <a href=\"https:\/\/migflug.com\/air-forces\/egyptian-air-force\/\">Egyptian Air Force<\/a> had its aircraft parked in the open, and most of it was destroyed on the ground within hours.<\/p><p>Every air force in the world drew the same lesson. NATO and the Warsaw Pact went on to build hundreds of hardened shelters across Europe, and air forces in the Middle East, Asia and elsewhere followed. An aircraft that cannot be destroyed on the ground forces an enemy to fight it in the air.<\/p>\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/xr-wqGyF4cU\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\n<p style=\"font-size:13px;color:#777;text-align:center;margin-top:-12px;font-style:italic\">Perun on hardening, modern threats and air base defence.<\/p><h2 style=\"padding-top:22px\">How a Hardened Aircraft Shelter Works<\/h2><p>A typical HAS is a reinforced concrete arch, often covered with earth, just large enough for one or two fighters. The front is closed by massive sliding or hinged blast doors, and many designs include a separate exhaust port at the rear so that an aircraft can run its engines inside.<\/p><p>NATO shelters of the Cold War were designed to withstand a direct hit by a 500 lb bomb, or a near miss by a larger one of 1,000 lb or more. The shelter protects against blast and fragments, but just as importantly it hides what is inside. An enemy looking at a row of closed doors cannot tell which shelters hold aircraft and which are empty.<\/p>\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/10\/hardened-aircraft-shelter-leeuwarden-air-base.jpg\" alt=\"Green-painted hardened aircraft shelter with closed blast doors at Leeuwarden Air Base in the Netherlands\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">A hardened aircraft shelter at Leeuwarden Air Base in the Netherlands, with its blast doors closed. Photo: Hnapel, Wikimedia Commons, CC BY-SA 4.0<\/figcaption><\/figure>\n<p>Shelters like this one at <a href=\"https:\/\/migflug.com\/air-bases\/leeuwarden\/\">Leeuwarden Air Base<\/a>, home to F-35s of the <a href=\"https:\/\/migflug.com\/air-forces\/royal-netherlands-air-and-space-force\/\">Royal Netherlands Air and Space Force<\/a>, are still in daily use. The <a href=\"https:\/\/migflug.com\/air-forces\/united-kingdom-royal-air-force\/\">Royal Air Force<\/a> operated <a href=\"https:\/\/migflug.com\/aircraft\/eurofighter-typhoon\/\">Eurofighter Typhoon<\/a> fighters from hardened shelters at Gioia del Colle in Italy during the 2011 Libya campaign, as in the photo at the top of this article.<\/p>\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/Qysvg9Iam5s\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\n<p style=\"font-size:13px;color:#777;text-align:center;margin-top:-12px;font-style:italic\">AiirSource Military footage of a hardened aircraft shelter door opening.<\/p><h2 style=\"padding-top:22px\">1991: When Precision Bombs Beat Concrete<\/h2><p>The Gulf War showed that hardened shelters could be defeated. Iraq had built some of the strongest shelters in the world, and early in the air campaign many Iraqi aircraft sat inside them. Coalition air forces developed tactics to break them open, first using a TV-guided missile to blast the doors and then bombs aimed at the opening, and later dropping a 2,000 lb laser-guided bomb straight through the roof.<\/p><p>By the end of the war the Coalition had destroyed over half of Iraq&rsquo;s hardened shelters. The lesson was that a shelter buys time and forces an attacker to spend precision weapons, but it does not make an aircraft invulnerable.<\/p>\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/10\/al-salman-air-base-hardened-shelters-bomb-damage-1991.jpg\" alt=\"Two concrete hardened aircraft shelters with bomb damage at Al-Salman Air Base in Iraq after Operation Desert Storm\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">Bomb-damaged hardened aircraft shelters at Al-Salman Air Base, Iraq, after Operation Desert Storm in 1991. US Department of Defense photo, public domain<\/figcaption><\/figure>\n<h2 style=\"padding-top:22px\">Ukraine: Bombers Parked in the Open<\/h2><p>The war in Ukraine has shown the opposite problem: what happens to aircraft that are not sheltered at all. On 1 June 2025, in Operation Spiderweb, Ukraine launched small drones from trucks parked near Russian air bases, some of them thousands of kilometres from the front. Strategic bombers such as the <a href=\"https:\/\/migflug.com\/aircraft\/tu-95-bear\/\">Tu-95<\/a> and <a href=\"https:\/\/migflug.com\/aircraft\/tu-160-blackjack\/\">Tu-160<\/a> were parked in the open.<\/p><p>Ukraine&rsquo;s Security Service claimed 41 aircraft were hit. US officials estimated that about 20 were hit and about 10 destroyed. Russia moved many of its bombers to more remote bases and has expanded hardened shelters at its airfields under repeated Ukrainian drone and missile attacks.<\/p><h2 style=\"padding-top:22px\">2026: The Cost of Leaving Aircraft Outside<\/h2><p>The 2026 Iran war brought the same issue to American bases. Iran fired ballistic missiles and drones at US air bases in the region, and on 27 March 2026, according to Military Times, an Iranian missile struck Prince Sultan Air Base in Saudi Arabia and destroyed a US Air Force E-3 AWACS that was parked on the open ramp.<\/p>\n<div style=\"background:#f8f9fa;border-left:4px solid #5C91FF;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>&ldquo;What on earth was this half-billion dollar airplane doing sitting right out in the open?&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Tom Shugart<\/strong> &mdash; Retired US Navy officer, Center for a New American Security, speaking to Military Times<\/div><\/div><\/div>\n<p>Military Times reported that the Pentagon issued solicitations in March 2026 for bunkers and other base infrastructure, including prefabricated transportable bunkers. It also cited expert estimates that a single hardened aircraft shelter costs about $5 million to $30 million, a fraction of the value of the aircraft it protects.<\/p><h2 style=\"padding-top:22px\">The Concrete Gap in the Pacific<\/h2><p>The sharpest version of the debate concerns the western Pacific. In January 2025 the Hudson Institute published <em>Concrete Sky: Air Base Hardening in the Western Pacific<\/em>, by Timothy Walton and Thomas Shugart. It found that since the early 2010s China had more than doubled its hardened and unhardened aircraft shelters to more than 3,000, while the US military had added two hardened shelters and 41 unhardened ones in the region.<\/p>\n<div style=\"background:#f8f9fa;border-left:4px solid #3568e0;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>&ldquo;China now has 134 air bases within 1,000 nautical miles of the Taiwan Strait &mdash; airfields that boast more than 650 HASs and almost 2,000 non-hardened IASs.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Timothy Walton and Thomas Shugart<\/strong> &mdash; Concrete Sky, Hudson Institute, January 2025<\/div><\/div><\/div>\n<p>Supporters of hardening argue that concrete is cheap compared with the aircraft it saves. Others argue that money is better spent on dispersal, airfield repair and air defence. Most analysts agree that the answer is some mix of all of them, and that the fighter parked in the open is the easiest target in any war.<\/p>\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/4JuCx5FCVyQ\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\n<p style=\"font-size:13px;color:#777;text-align:center;margin-top:-12px;font-style:italic\">The Wall Street Journal on how China is upgrading its air bases.<\/p>\n<p><em>Sources: Wikipedia, Hardened aircraft shelter and Operation Spiderweb; Hudson Institute, Concrete Sky: Air Base Hardening in the Western Pacific, January 2025, as reported by The War Zone; Military Times, 6 April 2026; UK Ministry of Defence and US Department of Defense photo captions<\/em><\/p>\n<!-- mfsh:bottom -->\n\n<button type=\"button\" class=\"mfsh-trigger mfsh-bottom\" data-mfsh-placement=\"bottom\" aria-haspopup=\"dialog\"><svg><use href=\"#mfsh-i-share\"\/><\/svg>Share this story<\/button>\n\n<!-- \/mfsh:bottom -->\n\n<style>.mfq{margin:34px 0 8px}.mfq h2{font:26px\/1.3 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117;padding-top:22px;margin:0 0 6px}.mfq .qa details{border-top:1px solid #5C91FF;margin:0;padding:0}.mfq .qa details:last-of-type{border-bottom:1px solid #e2e7ee}.mfq .qa summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;font:18px\/1.7 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117}.mfq .qa summary::-webkit-details-marker{display:none}.mfq .qa summary::after{content:\"+\";font:24px Helvetica,sans-serif;color:#3568e0;flex:0 0 auto}.mfq .qa details[open] summary::after{content:\"\\2013\"}.mfq .qa details:hover summary{color:#3568e0}.mfq .qa .a{font:16px\/1.7 \"Gilroy regular\",Helvetica,Arial,sans-serif;color:#454e5e;padding:0 26px 24px}.mfq .qa .a a{color:#3568e0}@media(max-width:680px){.mfq .qa summary{padding:18px 14px;font-size:17px}.mfq .qa .a{padding:0 14px 20px}}<\/style>\n\n<style>.mfq{margin:34px 0 8px}.mfq h2{font:26px\/1.3 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117;padding-top:22px;margin:0 0 6px}.mfq .qa details{border-top:1px solid #5C91FF;margin:0;padding:0}.mfq .qa details:last-of-type{border-bottom:1px solid #e2e7ee}.mfq .qa summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;font:18px\/1.7 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117}.mfq .qa summary::-webkit-details-marker{display:none}.mfq .qa summary::after{content:\"+\";font:24px Helvetica,sans-serif;color:#3568e0;flex:0 0 auto}.mfq .qa details[open] summary::after{content:\"\\2013\"}.mfq .qa details:hover summary{color:#3568e0}.mfq .qa .a{font:16px\/1.7 \"Gilroy regular\",Helvetica,Arial,sans-serif;color:#454e5e;padding:0 26px 24px}.mfq .qa .a a{color:#3568e0}@media(max-width:680px){.mfq .qa summary{padding:18px 14px;font-size:17px}.mfq .qa .a{padding:0 14px 20px}}<\/style>\n\n\n<section class=\"mfq\"><h2>Frequently Asked Questions<\/h2><div class=\"qa\"><details open><summary>What is a hardened aircraft shelter?<\/summary><div class=\"a\">A hardened aircraft shelter, or HAS, is a reinforced concrete hangar built to protect one or two combat aircraft from bombs, missiles and drones. It has heavy blast doors at the front and often an exhaust port at the rear. It also hides whether an aircraft is inside, which complicates an attacker\u2019s targeting.<\/div><\/details><details><summary>Why did air forces start building hardened aircraft shelters?<\/summary><div class=\"a\">Air forces started building hardened aircraft shelters in large numbers after Operation Focus on 5 June 1967, when the Israeli Air Force destroyed most of the Egyptian Air Force on the ground in the opening hours of the Six-Day War. NATO and the Warsaw Pact then built hundreds of shelters across Europe.<\/div><\/details><details><summary>Can a hardened aircraft shelter stop a bomb?<\/summary><div class=\"a\">A hardened aircraft shelter can stop some bombs but not all. NATO Cold War shelters were designed to survive a direct hit by a 500 lb bomb or a near miss by a larger one. In the 1991 Gulf War, Coalition aircraft used 2,000 lb laser-guided bombs and destroyed over half of Iraq\u2019s shelters.<\/div><\/details><details><summary>How much does a hardened aircraft shelter cost?<\/summary><div class=\"a\">In 1999 a hardened shelter for a single aircraft would have cost the US Air Force about $4 million. In 2026 Military Times cited expert estimates of about $5 million to $30 million per shelter, which is a small fraction of the value of a modern combat aircraft or a large support aircraft.<\/div><\/details><details><summary>How many hardened aircraft shelters does China have?<\/summary><div class=\"a\">According to the Hudson Institute report Concrete Sky, published in January 2025, China has more than doubled its aircraft shelters since the early 2010s to over 3,000. Its 134 air bases within 1,000 nautical miles of the Taiwan Strait have more than 650 hardened and almost 2,000 non-hardened shelters.<\/div><\/details><details><summary>Were the Russian bombers hit in Operation Spiderweb in shelters?<\/summary><div class=\"a\">No. The Russian strategic bombers attacked by Ukrainian drones in Operation Spiderweb on 1 June 2025 were parked in the open. Ukraine claimed 41 aircraft were hit, while US officials estimated about 20 were hit and about 10 destroyed. Russia later moved bombers to more remote bases.<\/div><\/details><\/div><\/section>\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is a hardened aircraft shelter?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A hardened aircraft shelter, or HAS, is a reinforced concrete hangar built to protect one or two combat aircraft from bombs, missiles and drones. It has heavy blast doors at the front and often an exhaust port at the rear. It also hides whether an aircraft is inside, which complicates an attacker\u2019s targeting.\"}},{\"@type\":\"Question\",\"name\":\"Why did air forces start building hardened aircraft shelters?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Air forces started building hardened aircraft shelters in large numbers after Operation Focus on 5 June 1967, when the Israeli Air Force destroyed most of the Egyptian Air Force on the ground in the opening hours of the Six-Day War. NATO and the Warsaw Pact then built hundreds of shelters across Europe.\"}},{\"@type\":\"Question\",\"name\":\"Can a hardened aircraft shelter stop a bomb?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A hardened aircraft shelter can stop some bombs but not all. NATO Cold War shelters were designed to survive a direct hit by a 500 lb bomb or a near miss by a larger one. In the 1991 Gulf War, Coalition aircraft used 2,000 lb laser-guided bombs and destroyed over half of Iraq\u2019s shelters.\"}},{\"@type\":\"Question\",\"name\":\"How much does a hardened aircraft shelter cost?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In 1999 a hardened shelter for a single aircraft would have cost the US Air Force about $4 million. In 2026 Military Times cited expert estimates of about $5 million to $30 million per shelter, which is a small fraction of the value of a modern combat aircraft or a large support aircraft.\"}},{\"@type\":\"Question\",\"name\":\"How many hardened aircraft shelters does China have?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"According to the Hudson Institute report Concrete Sky, published in January 2025, China has more than doubled its aircraft shelters since the early 2010s to over 3,000. Its 134 air bases within 1,000 nautical miles of the Taiwan Strait have more than 650 hardened and almost 2,000 non-hardened shelters.\"}},{\"@type\":\"Question\",\"name\":\"Were the Russian bombers hit in Operation Spiderweb in shelters?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The Russian strategic bombers attacked by Ukrainian drones in Operation Spiderweb on 1 June 2025 were parked in the open. Ukraine claimed 41 aircraft were hit, while US officials estimated about 20 were hit and about 10 destroyed. Russia later moved bombers to more remote bases.\"}}]}<\/script><div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Related Posts<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/muwaffaq-salti-iran-damages-us-a-10-f-15e-2026\/\">Muwaffaq Salti: Iran Damaged a US A-10 and Eight F-15Es<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/beriev-a-50-mainstay-awacs-ukraine-losses\/\">Beriev A-50: Russia\u2019s Radar Jet and Its Catastrophic War<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/air-battle-of-mansoura-1973-egypt-mig-21-phantoms\/\">Air Battle of Mansoura 1973: Egypt&#8217;s 53-Minute MiG-21 Fight<\/a><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Why air forces build hardened aircraft shelters, how they work, how the Gulf War defeated them, and what Ukraine, Iran and China show about them now.<\/p>","protected":false},"author":26,"featured_media":26497941,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[664],"tags":[],"class_list":["post-26498435","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-military-aviation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete | MiGFlug<\/title>\n<meta name=\"description\" content=\"Hardened aircraft shelters explained: why air forces bury fighters in concrete, how the Gulf War beat them, and what Ukraine, Iran and China show now.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/migflug.com\/afterburner\/fr\/hardened-aircraft-shelters-explained-concrete\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete | MiGFlug\" \/>\n<meta property=\"og:description\" content=\"Hardened aircraft shelters explained: why air forces bury fighters in concrete, how the Gulf War beat them, and what Ukraine, Iran and China show now.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/migflug.com\/afterburner\/fr\/hardened-aircraft-shelters-explained-concrete\/\" \/>\n<meta property=\"og:site_name\" content=\"Afterburner - MiGFlug&#039;s Magazine\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/MiGFlug\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-04T10:56:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-04T10:57:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/10\/raf-typhoon-hardened-aircraft-shelter-gioia-del-colle-2011.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Joseph Duncan\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@migflug\" \/>\n<meta name=\"twitter:site\" content=\"@migflug\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Joseph Duncan\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/\"},\"author\":{\"name\":\"Joseph Duncan\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#\\\/schema\\\/person\\\/b969321b26faa21775f0c40e141cdf85\"},\"headline\":\"Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete\",\"datePublished\":\"2026-10-04T10:56:45+00:00\",\"dateModified\":\"2026-10-04T10:57:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/\"},\"wordCount\":1549,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/10\\\/raf-typhoon-hardened-aircraft-shelter-gioia-del-colle-2011.jpg\",\"articleSection\":[\"Military Aviation\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/\",\"url\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/\",\"name\":\"Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete | MiGFlug\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/10\\\/raf-typhoon-hardened-aircraft-shelter-gioia-del-colle-2011.jpg\",\"datePublished\":\"2026-10-04T10:56:45+00:00\",\"dateModified\":\"2026-10-04T10:57:14+00:00\",\"description\":\"Hardened aircraft shelters explained: why air forces bury fighters in concrete, how the Gulf War beat them, and what Ukraine, Iran and China show now.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/#primaryimage\",\"url\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/10\\\/raf-typhoon-hardened-aircraft-shelter-gioia-del-colle-2011.jpg\",\"contentUrl\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/10\\\/raf-typhoon-hardened-aircraft-shelter-gioia-del-colle-2011.jpg\",\"width\":1280,\"height\":720,\"caption\":\"RAF Typhoon FGR4 inside a lit hardened aircraft shelter at Gioia del Colle, Italy, at night in 2011\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/hardened-aircraft-shelters-explained-concrete\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#website\",\"url\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/\",\"name\":\"Afterburner - MiGFlug's Magazine\",\"description\":\"for those interested in flying military jets and aviation related  topics\",\"publisher\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#organization\",\"name\":\"MiGFlug GmbH\",\"url\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/ml5psubhxdln.i.optimole.com\\\/cb:0e0_.b970\\\/w:897\\\/h:278\\\/q:mauto\\\/ig:avif\\\/https:\\\/\\\/migflug.com\\\/afterburner\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/06\\\/MIGFLUG_LOGO-no-background.png\",\"contentUrl\":\"https:\\\/\\\/ml5psubhxdln.i.optimole.com\\\/cb:0e0_.b970\\\/w:897\\\/h:278\\\/q:mauto\\\/ig:avif\\\/https:\\\/\\\/migflug.com\\\/afterburner\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/06\\\/MIGFLUG_LOGO-no-background.png\",\"width\":897,\"height\":278,\"caption\":\"MiGFlug GmbH\"},\"image\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/MiGFlug\\\/\",\"https:\\\/\\\/x.com\\\/migflug\",\"https:\\\/\\\/www.instagram.com\\\/migflug\\\/\",\"https:\\\/\\\/www.youtube.com\\\/user\\\/MiGFlug\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/migflug.com\\\/\",\"https:\\\/\\\/www.pinterest.ch\\\/migflug\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#\\\/schema\\\/person\\\/b969321b26faa21775f0c40e141cdf85\",\"name\":\"Joseph Duncan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/cd6d4cc4c63e8c05a1f5db9308c285d6dd9753e6d076a39f8c5ed9a7d9f7c523?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/cd6d4cc4c63e8c05a1f5db9308c285d6dd9753e6d076a39f8c5ed9a7d9f7c523?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/cd6d4cc4c63e8c05a1f5db9308c285d6dd9753e6d076a39f8c5ed9a7d9f7c523?s=96&d=mm&r=g\",\"caption\":\"Joseph Duncan\"},\"description\":\"Joseph Duncan covers breaking defence news \u2014 fast, sharp dispatches on the Pentagon, procurement and the world\u2019s air forces.\",\"url\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/fr\\\/author\\\/josephduncan\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete | MiGFlug","description":"Hardened aircraft shelters explained: why air forces bury fighters in concrete, how the Gulf War beat them, and what Ukraine, Iran and China show now.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/migflug.com\/afterburner\/fr\/hardened-aircraft-shelters-explained-concrete\/","og_locale":"fr_FR","og_type":"article","og_title":"Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete | MiGFlug","og_description":"Hardened aircraft shelters explained: why air forces bury fighters in concrete, how the Gulf War beat them, and what Ukraine, Iran and China show now.","og_url":"https:\/\/migflug.com\/afterburner\/fr\/hardened-aircraft-shelters-explained-concrete\/","og_site_name":"Afterburner - MiGFlug's Magazine","article_publisher":"https:\/\/www.facebook.com\/MiGFlug\/","article_published_time":"2026-10-04T10:56:45+00:00","article_modified_time":"2026-10-04T10:57:14+00:00","og_image":[{"width":1280,"height":720,"url":"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/10\/raf-typhoon-hardened-aircraft-shelter-gioia-del-colle-2011.jpg","type":"image\/jpeg"}],"author":"Joseph Duncan","twitter_card":"summary_large_image","twitter_creator":"@migflug","twitter_site":"@migflug","twitter_misc":{"Written by":"Joseph Duncan","Est. reading time":"10 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/#article","isPartOf":{"@id":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/"},"author":{"name":"Joseph Duncan","@id":"https:\/\/migflug.com\/afterburner\/it\/#\/schema\/person\/b969321b26faa21775f0c40e141cdf85"},"headline":"Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete","datePublished":"2026-10-04T10:56:45+00:00","dateModified":"2026-10-04T10:57:14+00:00","mainEntityOfPage":{"@id":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/"},"wordCount":1549,"commentCount":0,"publisher":{"@id":"https:\/\/migflug.com\/afterburner\/it\/#organization"},"image":{"@id":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/#primaryimage"},"thumbnailUrl":"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/10\/raf-typhoon-hardened-aircraft-shelter-gioia-del-colle-2011.jpg","articleSection":["Military Aviation"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/","url":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/","name":"Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete | MiGFlug","isPartOf":{"@id":"https:\/\/migflug.com\/afterburner\/it\/#website"},"primaryImageOfPage":{"@id":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/#primaryimage"},"image":{"@id":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/#primaryimage"},"thumbnailUrl":"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/10\/raf-typhoon-hardened-aircraft-shelter-gioia-del-colle-2011.jpg","datePublished":"2026-10-04T10:56:45+00:00","dateModified":"2026-10-04T10:57:14+00:00","description":"Hardened aircraft shelters explained: why air forces bury fighters in concrete, how the Gulf War beat them, and what Ukraine, Iran and China show now.","breadcrumb":{"@id":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/#primaryimage","url":"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/10\/raf-typhoon-hardened-aircraft-shelter-gioia-del-colle-2011.jpg","contentUrl":"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/10\/raf-typhoon-hardened-aircraft-shelter-gioia-del-colle-2011.jpg","width":1280,"height":720,"caption":"RAF Typhoon FGR4 inside a lit hardened aircraft shelter at Gioia del Colle, Italy, at night in 2011"},{"@type":"BreadcrumbList","@id":"https:\/\/migflug.com\/afterburner\/hardened-aircraft-shelters-explained-concrete\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/migflug.com\/afterburner\/it\/"},{"@type":"ListItem","position":2,"name":"Hardened Aircraft Shelters: Why Air Forces Put Fighters in Concrete"}]},{"@type":"WebSite","@id":"https:\/\/migflug.com\/afterburner\/it\/#website","url":"https:\/\/migflug.com\/afterburner\/it\/","name":"Afterburner - Le magazine de MiGFlug","description":"pour ceux qui s&#039;int\u00e9ressent au pilotage d&#039;avions militaires et aux sujets li\u00e9s \u00e0 l&#039;aviation","publisher":{"@id":"https:\/\/migflug.com\/afterburner\/it\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/migflug.com\/afterburner\/it\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/migflug.com\/afterburner\/it\/#organization","name":"MiGFlug GmbH","url":"https:\/\/migflug.com\/afterburner\/it\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/migflug.com\/afterburner\/it\/#\/schema\/logo\/image\/","url":"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:897\/h:278\/q:mauto\/ig:avif\/https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/06\/MIGFLUG_LOGO-no-background.png","contentUrl":"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:897\/h:278\/q:mauto\/ig:avif\/https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/06\/MIGFLUG_LOGO-no-background.png","width":897,"height":278,"caption":"MiGFlug GmbH"},"image":{"@id":"https:\/\/migflug.com\/afterburner\/it\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/MiGFlug\/","https:\/\/x.com\/migflug","https:\/\/www.instagram.com\/migflug\/","https:\/\/www.youtube.com\/user\/MiGFlug","https:\/\/www.linkedin.com\/company\/migflug.com\/","https:\/\/www.pinterest.ch\/migflug\/"]},{"@type":"Person","@id":"https:\/\/migflug.com\/afterburner\/it\/#\/schema\/person\/b969321b26faa21775f0c40e141cdf85","name":"Joseph Duncan","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/cd6d4cc4c63e8c05a1f5db9308c285d6dd9753e6d076a39f8c5ed9a7d9f7c523?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/cd6d4cc4c63e8c05a1f5db9308c285d6dd9753e6d076a39f8c5ed9a7d9f7c523?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/cd6d4cc4c63e8c05a1f5db9308c285d6dd9753e6d076a39f8c5ed9a7d9f7c523?s=96&d=mm&r=g","caption":"Joseph Duncan"},"description":"Joseph Duncan couvre l&#039;actualit\u00e9 de la d\u00e9fense en temps r\u00e9el \u2014 des d\u00e9p\u00eaches rapides et pr\u00e9cises sur le Pentagone, les acquisitions et les forces a\u00e9riennes du monde entier.","url":"https:\/\/migflug.com\/afterburner\/fr\/author\/josephduncan\/"}]}},"_links":{"self":[{"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/posts\/26498435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/comments?post=26498435"}],"version-history":[{"count":1,"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/posts\/26498435\/revisions"}],"predecessor-version":[{"id":26498564,"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/posts\/26498435\/revisions\/26498564"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/media\/26497941"}],"wp:attachment":[{"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/media?parent=26498435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/categories?post=26498435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/migflug.com\/afterburner\/fr\/wp-json\/wp\/v2\/tags?post=26498435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}