Right Inlet spike for SR-71A #17973 on display at Blackbird Park, Palmdale California. According to Skunk Works legend Ben Rich, these movable cones were responsible for the majority of the thrust at altitude #SR71 #blackbird #palmdale #AFFTM #inlet #Mach3 #avgeek #photography #nikon #oxcart

The Lockheed SR-71 Blackbird at the @sacaerospacemuseum in #Ashland, #Nebraska #sr71 #blackbird #sac #usairforce #airforce #usa #avgeek #aviation #Planes #instaplane #instaaviation #coldwar #habu #supersonic #mach3 #lockheed #photography (Instagram 27.02.2018)