Original U.S. Framed SR-71 Blackbird Patch Flown at Speed in Excess of Mach 3 - 12 x 15” Brunswick Guns Recoil and counter-recoil were controlled

Recoil and counter-recoil were controlled hydraulically by means of a piston and spring combination connected to the recoiling mechanism and operating in an oil-filled recuperator cylinder mounted to the stationary trunnion block assembly

Advancing rapidly over the volcanic ash beaches in the face of savage resistance

All 101st Airborne parachutes and reserve chutes had the initials of their commanders stamped for D-Day

The breech unlocks correctly

and both securing screws are missing

Original U.S. Framed SR-71 Blackbird Patch Flown at Speed in Excess of Mach 3 - 12 x 15” Brunswick Guns Recoil and counter-recoil were controlledOriginal Item. One of a Kind. The Lockheed SR 71 "Blackbird" is a retired long range, high altitude, Mach 3+ strategic reconnaissance aircraft that was developed and manufactured by the American aerospace company Lockheed Corporation. The SR 71 was developed in the 1960s as a black project by Lockheed's Skunk Works division. This is a very interesting framed patch which is mounted onto a certificate verifying that it was flown aboard an SR 71 aircraft