The U.S. Air Force just showed the world something it has guarded for years: the top of the B-21 Raider. On April 14, the Air Force released two photographs of its next-generation stealth bomber conducting aerial refueling tests with a KC-135 Stratotanker over Edwards Air Force Base, California. One of those images provides the first official overhead view of the aircraft — and it reveals design details that defence analysts have been debating since the bomber’s unveiling in 2022. The photos were taken during a refueling mission on March 10 that lasted five hours and thirty-three minutes. The Pentagon sat on them for over a month before making them public. When the Air Force finally decides to show you something classified from the top down, it is worth paying attention to.

What the Overhead Angle Reveals

Start from the nose and work backward. The air data probe — a bright orange spike used during flight testing — juts forward from the leading edge. Behind it, the cockpit’s narrow side windows sit flush with the fuselage, minimising radar returns from every conceivable angle. The most telling detail is the aerial refueling receptacle. The B-21 uses a two-piece clamshell door arrangement that differs significantly from the B-2 Spirit’s rotating design. When closed, those doors sit seamlessly flush with the upper surface — a sign that Northrop Grumman prioritised low-observable characteristics at every scale, down to the way the bomber drinks fuel. Further aft, air data ports similar to those on the B-2 are visible forward of the cockpit. Walkway markings — anti-slip lines used by ground crew — trace paths across the upper surface, hinting at the locations of maintenance access panels beneath. The overhead angle also settles a long-running debate about size. Online estimates of the B-21’s wingspan have clustered around 130 feet. But using the KC-135R — wingspan 131 feet — as a scale reference in the refueling photos, aviation analysts now believe the Raider spans between 145 and 155 feet. Significantly larger than assumed. Still smaller than the B-2’s 172-foot reach, but built to a cleaner, more disciplined planform. That shape reflects a design philosophy that stripped away every compromise of its predecessor. The B-2 was originally conceived for high-altitude penetration but was redesigned mid-programme for low-level terrain-following flight, adding structural weight and aerodynamic complexity. The B-21 started with a blank sheet. One altitude. One mission profile. One objective: get through the most defended airspace on Earth and come back.

One Bay, Not Three

The overhead photo is the headline, but earlier high-resolution shots of the B-21’s underside may matter more to weapons planners. Those images revealed what appears to be a single large central weapons bay — not the two side-by-side bays found on the B-2 Spirit. Two sets of outboard door apertures are visible but appear sealed with fasteners along their perimeters. Analysts believe these may be configured for radiofrequency sensor apertures rather than weapons storage. If confirmed, the Raider carries its entire payload in one bay — a design choice that simplifies the weapons release mechanism and could accommodate larger individual munitions, including the Long-Range Standoff (LRSO) nuclear cruise missile. The trade-off is obvious: a single bay limits payload diversity on any given sortie. But for an aircraft designed to carry next-generation standoff weapons deep into contested airspace, one large bay may be all the Air Force needs.

The Road to Ellsworth

Two B-21 prototypes are now flying at Edwards. A dedicated KC-135R, informally known as the “Ghost Tanker,” provides refueling support for the test programme. A Raytheon-registered DC-9 testbed equipped with a modular sensor nose for low-observable signature measurements has also been observed operating alongside the Raiders — a sign that the programme is deep into stealth validation. The first operational B-21 is expected at Ellsworth Air Force Base in South Dakota in 2027, where the 28th Bomb Wing will become the first combat unit to fly the type. Fiscal year 2026 marks the beginning of major military construction at all three planned main operating bases. Northrop Grumman is accelerating production. On April 14, the company stated that the B-21 “continues to demonstrate outstanding performance” and that test pilots reported “exceptional handling” during aerial refueling — a quality that reduces training time and speeds operational deployment. In a force that burned through hundreds of aerial refueling sorties during Operation Epic Fury, a bomber that sips fuel instead of gulping it is not a luxury. It is a strategic advantage. Sources: The Aviationist, The War Zone, Air & Space Forces Magazine, Northrop Grumman