3 August 1972: During a 45-minute test flight at Edwards Air Force Base, the McDonnell Douglas YF-15A-1-MC Eagle prototype, 71-0280, went supersonic for the first time, reaching Mach 1.5. An air-superiority fighter, the F-15 entered service with the United States Air Force in 1975.

McDonnell Douglas YF-15A prototype logo 71-0280 was the first prototype of the F-15 Eagle. It was rolled out at McDonnell Douglas’s factory in St Louis during a ceremony on June 26 1972.

3 August 1972: During a 45-minute test flight at Edwards Air Force Base, the McDonnell Douglas YF-15A-1-MC Eagle prototype, 71-0280, went supersonic for the first time, reaching Mach 1.5. An air-superiority fighter, the F-15 entered service with the United States Air Force in 1975.

First F-15 Eagle (between prototype and production models) built. Unveiled Jun 26, 1972 at McDonnell Douglas facility in St Louis, MO. Following the aircrafts roll-out, it was dismantled and loaded aboard a C-5 then flown to Edwards AFB, CA. Taken on Strength/Charge with the United States Air Force with s/n 71-0280. First flight.

Jul 27, 2022 · The prototype, YF-15A (s/n 71-0280), was rolled out of the McDonnell Douglas facilities in St. Louis, where all the F-15s were and are still being produced, on June 26, 1972.

橋梁にはすみ肉用として止端のなじみの良い軽石状フラックスyf-800が広く用いられています。また図10の鋼床阪の溶接にはバッキング材sb-51がフラックス（yf-15a）、ワイヤ（y-d）、カットワイヤ（yk-c）と組み合わせて使用されています。

We don't know about any in-box reviews for this U.S. Air Force YF-15A Prototype first unit (#AC37) from Tomytec. Gallery

27 July 1972: McDonnell Douglas Chief Experimental Test Pilot Irving L. Burrows made the first flight of the prototype YF-15A-1-MC Eagle, 71-0280, at Edwards Air Force Base, California. The F-15A Eagle is a single-seat, twin-engine air superiority fighter, built by the McDonnell Douglas Corporation at St. Louis, Missouri.

軟鋼・490-550mpa級高張力鋼用 サブマージアーク溶接材料 yf-15a×y-d 特長 広い溶接条件範囲で、ビード形状、外観、耐ポックマーク（あばた）性に優れています。

27 July 1972: McDonnell Douglas Chief Experimental Test Pilot Irving L. Burrows made the first flight of the prototype YF-15A-1-MC Eagle, 71-0280, at Edwards Air Force Base, California. The F-15A Eagle is a single-seat, twin-engine air superiority fighter, built by the McDonnell Douglas Corporation at St. Louis, Missouri.