{"id":1465894,"date":"2026-06-03T16:15:00","date_gmt":"2026-06-03T14:15:00","guid":{"rendered":"https:\/\/migflug.com\/jetflights\/?p=1465894"},"modified":"2026-09-04T09:31:24","modified_gmt":"2026-09-04T07:31:24","slug":"the-boeing-2707-americas-concorde-that-congress-killed","status":"publish","type":"post","link":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/","title":{"rendered":"The Boeing 2707: America&#8217;s Concorde That Congress Killed"},"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\n\nThe model sat in a cavernous hangar in Seattle, gleaming under fluorescent lights like a promise made in aluminum. It was 1969, and Boeing had built a full-sized mockup of the 2707 \u2014 America's supersonic transport, 306 feet long, with a drooped nose borrowed from Concorde and a cabin wide enough to seat 300 passengers in a layout that made first class on a 747 look like coach. Airline executives walked through the mock cabin, running their fingers over the seats, gazing out fake windows at a future that seemed as inevitable as the jet age itself. Twenty-six airlines had placed deposits. One hundred and twenty-two orders sat on the books.\n\nTwo years later, the United States Congress did something it had never done before: it killed a major aerospace program by popular vote. The Boeing 2707 \u2014 faster than Concorde, bigger than anything in the sky, and designed to carry Americans into the supersonic age at Mach 2.7 \u2014 would never fly. Not a single rivet of the actual aircraft was ever assembled.\n\n\n<div style=\"background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:#fff;padding:28px 32px;border-radius:12px;margin:28px 0\">\n<h3 style=\"margin:0 0 16px;font-size:20px;letter-spacing:1px;color:#5C91FF;padding:0\">QUICK FACTS<\/h3>\n<table style=\"width:100%;border-collapse:collapse;font-size:15px\">\n<tr><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a;color:#aaa;width:40%\">Designation<\/td><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a\">Boeing 2707 (Model 733-390)<\/td><\/tr>\n<tr><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a;color:#aaa\">Design Speed<\/td><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a\">Mach 2.7 (approx. 1,800 mph \/ 2,900 km\/h)<\/td><\/tr>\n<tr><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a;color:#aaa\">Capacity<\/td><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a\">234\u2013300 passengers<\/td><\/tr>\n<tr><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a;color:#aaa\">Original Design<\/td><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a\">Swing-wing (Model 733-197)<\/td><\/tr>\n<tr><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a;color:#aaa\">Final Design<\/td><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a\">Fixed delta wing (Model 2707-300)<\/td><\/tr>\n<tr><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a;color:#aaa\">Orders<\/td><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a\">122 from 26 airlines<\/td><\/tr>\n<tr><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a;color:#aaa\">Government Investment<\/td><td style=\"padding:8px 12px;border-bottom:1px solid #2a2a4a\">$1 billion (1971 dollars)<\/td><\/tr>\n<tr><td style=\"padding:8px 12px;color:#aaa\">Cancelled<\/td><td style=\"padding:8px 12px\">March 1971 (Congressional vote)<\/td><\/tr>\n<\/table><\/div>\n\n\n<h2 style=\"padding-top:22px\">The Supersonic Race<\/h2>\n\nThe story begins with a presidential decision. In June 1963, President John F. Kennedy announced that the United States would develop a commercial supersonic transport. The British and French were already building Concorde. The Soviets had their Tupolev Tu-144. America \u2014 the nation that had put jets in every airport and was about to put men on the Moon \u2014 could not afford to be left behind in the supersonic race.\n\nBoeing won the government contract in December 1966, beating Lockheed's L-2000 design. The Boeing proposal was audaciously ambitious: while Concorde would carry 100 passengers at Mach 2, the Boeing 2707 would carry nearly three times as many passengers at Mach 2.7. It would be bigger, faster, and more American than anything the Europeans could build.\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #5C91FF;padding:20px 22px;margin:18px 0 24px;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>&ldquo;The supersonics are coming \u2014 as surely as tomorrow. You will be flying one version or another by 1980 and be trying to remember what the great debate was all about.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Najeeb Halaby<\/strong> &mdash; FAA Administrator (1961-1965), later head of Pan Am<\/div><\/div><\/div>\n\n\n\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\/AC9oPTcnh6U\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\n\n\n<h2 style=\"padding-top:22px\">The Swing-Wing That Could Not Swing<\/h2>\n\nBoeing's original design, the Model 733-197, featured variable-geometry swing wings \u2014 the same concept used on the F-111 and later the <a href=\"https:\/\/migflug.com\/aircraft\/f-14-tomcat\">F-14<\/a> Tomcat. The wings would sweep back for supersonic cruise and extend forward for efficient subsonic flight and landing. On paper, it was brilliant. In practice, the mechanism proved catastrophically heavy.\n\nThe titanium swing-wing pivot and the hydraulic systems required to move wings large enough for a 300-passenger airliner added so much weight that the aircraft's range and payload became unacceptable. By 1968, Boeing had to abandon the swing-wing concept entirely and redesign the aircraft as a fixed-delta configuration \u2014 the Model 2707-300. This was a humbling setback that cost years of development time and eroded confidence in the program.\n\n\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/06\/boeing-sst-2707-model-supersonic-transport-scaled.jpg\" alt=\"Boeing SST 2707 model showing the final delta wing configuration\" style=\"display:block;width:100%!important;max-width:100%!important;height:auto!important;border-radius:6px\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">A scale model of the Boeing 2707 in its final fixed-delta configuration. The original swing-wing design was abandoned in 1968 due to excessive weight. (Boeing)<\/figcaption><\/figure>\n\n\n<h2 style=\"padding-top:22px\">The Senator, the Sonic Boom, and the Ozone<\/h2>\n\nWhile Boeing's engineers struggled with aerodynamics and metallurgy, opposition to the SST was building on the ground. Senator William Proxmire of Wisconsin had made the SST his personal crusade. A fiscal conservative who would later become famous for his \"Golden Fleece Awards\" targeting government waste, Proxmire attacked the SST as a boondoggle that would benefit wealthy air travelers at taxpayer expense.\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #5C91FF;padding:20px 22px;margin:18px 0 24px;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>&ldquo;The SST will start by flying the ocean routes. Soon the economic pressures of flying these high-cost planes on limited routes will force admission of the planes to a few scattered land routes. And ultimately they will be flying everywhere.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Sen. William Proxmire<\/strong> &mdash; U.S. Senator, Wisconsin<\/div><\/div><\/div>\n\n\nBut it was the environmental argument that proved decisive. Scientists raised alarm about the potential damage to the ozone layer from a fleet of aircraft flying at 60,000 feet. Citizens organized protests against sonic booms \u2014 the thunderclap-like shockwaves generated by any aircraft exceeding the speed of sound. Tests conducted over Oklahoma City in 1964, where Air Force jets deliberately generated sonic booms over the city for six months, had resulted in 15,000 complaints and a class-action lawsuit.\n\nThe anti-SST coalition united fiscal conservatives, environmentalists, and citizens tired of Vietnam-era government spending. In March 1971, the Senate voted 51-46 against continued funding. The House followed with a 215-204 vote. It was the first time in American history that Congress had terminated a major aerospace program.\n\n\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\/kPqwDuoGfo4\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\n\n\n<h2 style=\"padding-top:22px\">The What-If That Haunts Aviation<\/h2>\n\nThe Boeing 2707 program left behind a full-sized mockup that spent decades in limbo \u2014 first stored at Boeing\u2019s facilities, then displayed at an aviation exhibit center in Kissimmee, Florida; later it was dismantled and moved in pieces, and its surviving forward fuselage is now being restored near Seattle. The $1 billion invested by the federal government \u2014 equivalent to roughly $7.5 billion in 2026 dollars \u2014 produced nothing that flew.\n\nBoeing laid off more than 60,000 workers in the aftermath of the cancellation, contributing to a severe economic depression in the Seattle area. A famous billboard appeared near the airport: \"Will the last person leaving Seattle \u2014 turn out the lights.\"\n\nWas Congress right? Concorde, which did enter service in 1976, proved that supersonic airliners were technically feasible but commercially marginal. Only 14 production Concordes were built, and while British Airways eventually flew Concorde at an operating profit, the program never repaid its development costs. Environmental concerns about supersonic flight persist to this day, and no commercial supersonic airliner has operated since Concorde's retirement in 2003.\n\nYet the question lingers: if Boeing had been allowed to build the 2707, with its larger capacity and longer range, could it have made supersonic travel economically viable? We will never know. The Mach 2.7 future that Kennedy envisioned, that 26 airlines ordered, and that 300 passengers were meant to experience \u2014 it remains the grandest \"what if\" in the history of commercial aviation.\n\n<p style=\"font-style:italic;color:#777;font-size:14px;margin-top:32px\">Sources: Boeing Historical Archives, FAA, Simple Flying, U.S. Senate Records, HistoryLink.org<\/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\n<!-- mf-faq -->\n\n<div class=\"mf-faq-block\"><style>.mf-faq-block{margin:34px 0}.mf-faq-item:not([open]) .mf-faq-answer{display:none !important}.mf-faq-block h2.mf-faq-h{padding-top:22px;margin-bottom:14px}.mf-faq-item{border:1px solid #e2e8f5;border-radius:8px;margin:0 0 10px;background:#fff}.mf-faq-item summary{list-style:none;cursor:pointer;padding:15px 50px 15px 18px;font-weight:600;color:#1a1a1a;position:relative;line-height:1.45;user-select:none}.mf-faq-item summary::-webkit-details-marker{display:none}.mf-faq-item summary::after{content:\"+\";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.5em;font-weight:400;color:#5C91FF;line-height:1}.mf-faq-item[open] summary::after{content:\"\\2013\"}.mf-faq-item[open] summary{border-bottom:1px solid #eef1f8}.mf-faq-item summary:hover{background:#f5f8ff}.mf-faq-answer{padding:14px 18px;color:#333;line-height:1.6}.mf-faq-answer p{margin:0}<\/style><h2 class=\"mf-faq-h\">Related Questions<\/h2><details class=\"mf-faq-item\"><summary>What was the Boeing 2707?<\/summary><div class=\"mf-faq-answer\"><p>The Boeing 2707 was America's planned supersonic transport, a 306-foot airliner designed to carry 234 to 300 passengers at Mach 2.7, faster and larger than Concorde. It attracted 122 orders from 26 airlines but was cancelled by a US Congressional vote in March 1971 before any aircraft was built.<\/p><\/div><\/details><details class=\"mf-faq-item\"><summary>Why was the Boeing 2707 cancelled?<\/summary><div class=\"mf-faq-answer\"><p>In March 1971 the US Congress voted to end funding, the first time it had killed a major aerospace program by vote. Concerns over cost, the roughly $1 billion government investment, and environmental issues drove the decision. Not a single rivet of the actual aircraft was ever assembled.<\/p><\/div><\/details><details class=\"mf-faq-item\"><summary>How fast was the Boeing 2707 designed to fly?<\/summary><div class=\"mf-faq-answer\"><p>It was designed to cruise at Mach 2.7, approximately 1,800 mph (2,900 km\/h), making it faster than the Mach 2 Concorde. It was also far larger, planned to carry up to 300 passengers in a wide cabin.<\/p><\/div><\/details><details class=\"mf-faq-item\"><summary>Why did Boeing abandon the 2707's swing-wing design?<\/summary><div class=\"mf-faq-answer\"><p>The original Model 733-197 used variable-geometry swing wings like the F-111 and F-14. But the titanium pivot and the hydraulics needed to move wings large enough for a 300-passenger jet added so much weight that range and payload became unacceptable, forcing Boeing to switch to a fixed delta wing by 1968.<\/p><\/div><\/details><details class=\"mf-faq-item\"><summary>How did the Boeing 2707 compare to Concorde?<\/summary><div class=\"mf-faq-answer\"><p>The Boeing 2707 was designed to be bigger and faster: cruising at Mach 2.7 versus Concorde's Mach 2, and carrying up to 300 passengers, nearly three times Concorde's capacity. However, Concorde actually flew, while the 2707 was cancelled before construction began.<\/p><\/div><\/details><details class=\"mf-faq-item\"><summary>Why did the US decide to build a supersonic transport?<\/summary><div class=\"mf-faq-answer\"><p>In June 1963 President John F. Kennedy announced the US would develop a commercial supersonic transport, responding to the Anglo-French Concorde and the Soviet Tupolev Tu-144. Boeing won the government contract in December 1966, beating Lockheed's L-2000 design.<\/p><\/div><\/details><details class=\"mf-faq-item\"><summary>How many orders did the Boeing 2707 receive?<\/summary><div class=\"mf-faq-answer\"><p>The Boeing 2707 received 122 orders from 26 airlines, all placed before any aircraft existed. When Congress cancelled funding in 1971, none were ever built.<\/p><\/div><\/details><\/div>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What was the Boeing 2707?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Boeing 2707 was America's planned supersonic transport, a 306-foot airliner designed to carry 234 to 300 passengers at Mach 2.7, faster and larger than Concorde. It attracted 122 orders from 26 airlines but was cancelled by a US Congressional vote in March 1971 before any aircraft was built.\"}},{\"@type\":\"Question\",\"name\":\"Why was the Boeing 2707 cancelled?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In March 1971 the US Congress voted to end funding, the first time it had killed a major aerospace program by vote. Concerns over cost, the roughly $1 billion government investment, and environmental issues drove the decision. Not a single rivet of the actual aircraft was ever assembled.\"}},{\"@type\":\"Question\",\"name\":\"How fast was the Boeing 2707 designed to fly?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It was designed to cruise at Mach 2.7, approximately 1,800 mph (2,900 km\/h), making it faster than the Mach 2 Concorde. It was also far larger, planned to carry up to 300 passengers in a wide cabin.\"}},{\"@type\":\"Question\",\"name\":\"Why did Boeing abandon the 2707's swing-wing design?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The original Model 733-197 used variable-geometry swing wings like the F-111 and F-14. But the titanium pivot and the hydraulics needed to move wings large enough for a 300-passenger jet added so much weight that range and payload became unacceptable, forcing Boeing to switch to a fixed delta wing by 1968.\"}},{\"@type\":\"Question\",\"name\":\"How did the Boeing 2707 compare to Concorde?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Boeing 2707 was designed to be bigger and faster: cruising at Mach 2.7 versus Concorde's Mach 2, and carrying up to 300 passengers, nearly three times Concorde's capacity. However, Concorde actually flew, while the 2707 was cancelled before construction began.\"}},{\"@type\":\"Question\",\"name\":\"Why did the US decide to build a supersonic transport?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In June 1963 President John F. Kennedy announced the US would develop a commercial supersonic transport, responding to the Anglo-French Concorde and the Soviet Tupolev Tu-144. Boeing won the government contract in December 1966, beating Lockheed's L-2000 design.\"}},{\"@type\":\"Question\",\"name\":\"How many orders did the Boeing 2707 receive?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Boeing 2707 received 122 orders from 26 airlines, all placed before any aircraft existed. When Congress cancelled funding in 1971, none were ever built.\"}}]}<\/script><!-- \/mf-faq -->","protected":false},"excerpt":{"rendered":"<p>Share this story The model sat in a cavernous hangar in Seattle, gleaming under fluorescent lights like a promise made in aluminum. It was 1969, and Boeing had built a full-sized mockup of the 2707 \u2014 America&#8217;s supersonic transport, 306 feet long, with a drooped nose borrowed from Concorde and a cabin wide enough to [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":1465258,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[665,666],"tags":[],"class_list":["post-1465894","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aviation-world","category-history-and-legends"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The Boeing 2707: America&#039;s Concorde That Congress Killed | Afterburner - MiGFlug&#039;s Magazine<\/title>\n<meta name=\"description\" content=\"The Boeing 2707 was America&#039;s Concorde \u2014 Mach 2.7, 300 passengers, 122 orders from 26 airlines. Then in 1971, Congress killed it. The story of the greatest what if in aviation history.\" \/>\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\/the-boeing-2707-americas-concorde-that-congress-killed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Boeing 2707: America&#039;s Concorde That Congress Killed | Afterburner - MiGFlug&#039;s Magazine\" \/>\n<meta property=\"og:description\" content=\"The Boeing 2707 was America&#039;s Concorde \u2014 Mach 2.7, 300 passengers, 122 orders from 26 airlines. Then in 1971, Congress killed it. The story of the greatest what if in aviation history.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/\" \/>\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=\"2026-06-03T14:15:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-04T07:31:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/06\/boeing-2707-sst-full-size-mockup-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1708\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Connor Kerr\" \/>\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=\"Connor Kerr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/\"},\"author\":{\"name\":\"Connor Kerr\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#\\\/schema\\\/person\\\/bc7f2d09b1d7111c45fdb1335b8f2cf9\"},\"headline\":\"The Boeing 2707: America&#8217;s Concorde That Congress Killed\",\"datePublished\":\"2026-06-03T14:15:00+00:00\",\"dateModified\":\"2026-09-04T07:31:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/\"},\"wordCount\":1333,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/06\\\/boeing-2707-sst-full-size-mockup-scaled.jpg\",\"articleSection\":[\"Aviation World\",\"History &amp; Legends\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/\",\"url\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/\",\"name\":\"The Boeing 2707: America's Concorde That Congress Killed | Afterburner - MiGFlug's Magazine\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/06\\\/boeing-2707-sst-full-size-mockup-scaled.jpg\",\"datePublished\":\"2026-06-03T14:15:00+00:00\",\"dateModified\":\"2026-09-04T07:31:24+00:00\",\"description\":\"The Boeing 2707 was America's Concorde \u2014 Mach 2.7, 300 passengers, 122 orders from 26 airlines. Then in 1971, Congress killed it. The story of the greatest what if in aviation history.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/#primaryimage\",\"url\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/06\\\/boeing-2707-sst-full-size-mockup-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/wp-content\\\/uploads\\\/sites\\\/4\\\/2026\\\/06\\\/boeing-2707-sst-full-size-mockup-scaled.jpg\",\"width\":2560,\"height\":1708,\"caption\":\"Boeing 2707 Sst Full Size Mockup\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/the-boeing-2707-americas-concorde-that-congress-killed\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/it\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The Boeing 2707: America&#8217;s Concorde That Congress Killed\"}]},{\"@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\\\/bc7f2d09b1d7111c45fdb1335b8f2cf9\",\"name\":\"Connor Kerr\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ed6d7365eb237a1c91b800bf8dfeb14b8e30a3712ed7fec9e18a70088fc423a9?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ed6d7365eb237a1c91b800bf8dfeb14b8e30a3712ed7fec9e18a70088fc423a9?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ed6d7365eb237a1c91b800bf8dfeb14b8e30a3712ed7fec9e18a70088fc423a9?s=96&d=mm&r=g\",\"caption\":\"Connor Kerr\"},\"description\":\"Connor Kerr writes MiGFlug\u2019s long-form features \u2014 aviation history, how-it-works explainers and the stories behind the headlines.\",\"url\":\"https:\\\/\\\/migflug.com\\\/afterburner\\\/author\\\/connorkerr\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"The Boeing 2707: America's Concorde That Congress Killed | Afterburner - MiGFlug's Magazine","description":"The Boeing 2707 was America's Concorde \u2014 Mach 2.7, 300 passengers, 122 orders from 26 airlines. Then in 1971, Congress killed it. The story of the greatest what if in aviation history.","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\/the-boeing-2707-americas-concorde-that-congress-killed\/","og_locale":"en_US","og_type":"article","og_title":"The Boeing 2707: America's Concorde That Congress Killed | Afterburner - MiGFlug's Magazine","og_description":"The Boeing 2707 was America's Concorde \u2014 Mach 2.7, 300 passengers, 122 orders from 26 airlines. Then in 1971, Congress killed it. The story of the greatest what if in aviation history.","og_url":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/","og_site_name":"Afterburner - MiGFlug's Magazine","article_publisher":"https:\/\/www.facebook.com\/MiGFlug\/","article_published_time":"2026-06-03T14:15:00+00:00","article_modified_time":"2026-09-04T07:31:24+00:00","og_image":[{"width":2560,"height":1708,"url":"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/06\/boeing-2707-sst-full-size-mockup-scaled.jpg","type":"image\/jpeg"}],"author":"Connor Kerr","twitter_card":"summary_large_image","twitter_creator":"@migflug","twitter_site":"@migflug","twitter_misc":{"Written by":"Connor Kerr","Est. reading time":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/#article","isPartOf":{"@id":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/"},"author":{"name":"Connor Kerr","@id":"https:\/\/migflug.com\/afterburner\/it\/#\/schema\/person\/bc7f2d09b1d7111c45fdb1335b8f2cf9"},"headline":"The Boeing 2707: America&#8217;s Concorde That Congress Killed","datePublished":"2026-06-03T14:15:00+00:00","dateModified":"2026-09-04T07:31:24+00:00","mainEntityOfPage":{"@id":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/"},"wordCount":1333,"commentCount":0,"publisher":{"@id":"https:\/\/migflug.com\/afterburner\/it\/#organization"},"image":{"@id":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/#primaryimage"},"thumbnailUrl":"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/06\/boeing-2707-sst-full-size-mockup-scaled.jpg","articleSection":["Aviation World","History &amp; Legends"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/","url":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/","name":"The Boeing 2707: America's Concorde That Congress Killed | Afterburner - MiGFlug's Magazine","isPartOf":{"@id":"https:\/\/migflug.com\/afterburner\/it\/#website"},"primaryImageOfPage":{"@id":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/#primaryimage"},"image":{"@id":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/#primaryimage"},"thumbnailUrl":"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/06\/boeing-2707-sst-full-size-mockup-scaled.jpg","datePublished":"2026-06-03T14:15:00+00:00","dateModified":"2026-09-04T07:31:24+00:00","description":"The Boeing 2707 was America's Concorde \u2014 Mach 2.7, 300 passengers, 122 orders from 26 airlines. Then in 1971, Congress killed it. The story of the greatest what if in aviation history.","breadcrumb":{"@id":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/#primaryimage","url":"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/06\/boeing-2707-sst-full-size-mockup-scaled.jpg","contentUrl":"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/06\/boeing-2707-sst-full-size-mockup-scaled.jpg","width":2560,"height":1708,"caption":"Boeing 2707 Sst Full Size Mockup"},{"@type":"BreadcrumbList","@id":"https:\/\/migflug.com\/afterburner\/the-boeing-2707-americas-concorde-that-congress-killed\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/migflug.com\/afterburner\/it\/"},{"@type":"ListItem","position":2,"name":"The Boeing 2707: America&#8217;s Concorde That Congress Killed"}]},{"@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\/bc7f2d09b1d7111c45fdb1335b8f2cf9","name":"Connor Kerr","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/ed6d7365eb237a1c91b800bf8dfeb14b8e30a3712ed7fec9e18a70088fc423a9?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/ed6d7365eb237a1c91b800bf8dfeb14b8e30a3712ed7fec9e18a70088fc423a9?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ed6d7365eb237a1c91b800bf8dfeb14b8e30a3712ed7fec9e18a70088fc423a9?s=96&d=mm&r=g","caption":"Connor Kerr"},"description":"Connor Kerr writes MiGFlug\u2019s long-form features \u2014 aviation history, how-it-works explainers and the stories behind the headlines.","url":"https:\/\/migflug.com\/afterburner\/author\/connorkerr\/"}]}},"_links":{"self":[{"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/posts\/1465894","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/users\/27"}],"replies":[{"embeddable":true,"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/comments?post=1465894"}],"version-history":[{"count":7,"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/posts\/1465894\/revisions"}],"predecessor-version":[{"id":20011965,"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/posts\/1465894\/revisions\/20011965"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/media\/1465258"}],"wp:attachment":[{"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/media?parent=1465894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/categories?post=1465894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/migflug.com\/afterburner\/wp-json\/wp\/v2\/tags?post=1465894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}