The #Lockheed #SR_71 was an advanced, long-range, #Mach_3 strategic reconnaissance aircraft developed from the Lockheed A-12 and YF-12A aircraft by the Lockheed Skunk Works. The SR-71 was unofficially named the #Blackbird, and called the Habu by its crews. Clarence "Kelly" Johnson was responsible for many of the design's innovative concepts. A defensive feature of the aircraft was its high speed and operating altitude, whereby, if a surface-to-air #missile launch were detected, standard #evasive

“The Pratt & Whitney J58 is an American jet engine that powered the Lockheed A-12, and subsequently the YF-12 and the SR-71 aircraft. It was an afterburning turbojet engine with a UNIQUE COMPRESSOR BLEED to the afterburner that gave increased thrust at high speeds.” #prattwhitney #engine #turbo #sr71 #a12 #blackbird #stealth #lockheedmartin #skunkworks #jet #american #aircraft #compressor #bleed #thrust #highspeed #speed #increase #afterburner #power #pilot #aviation | Aviatress Alyssa