Lockheed SR-71A 61-7950 first flight, 22 December 1964, at Air Force Plant 42, Palmdale, CA Published on December 21, 2012 in 22 December 1964Full resolution (784 × 515) Next → The first Lockheed SR-71A, 61-7950, takes of fo rthe first time at Air Force Plant 42, Palmdale, California. (Lockheed)