The SR-71, unofficially known as the “Blackbird,” is a long-range, advanced strategic reconnaissance aircraft developed from the Lockheed A-12 and YF-12A aircraft.
The SR-71, unofficially known as the “Blackbird,” is a long-range, advanced strategic reconnaissance aircraft developed from the Lockheed A-12 and YF-12A aircraft. Tech. Sgt. Michael Haggerty/U.S. Air Force File photo
The SR-71, unofficially known as the “Blackbird,” is a long-range, advanced strategic reconnaissance aircraft developed from the Lockheed A-12 and YF-12A aircraft. Tech. Sgt. Michael Haggerty/U.S. Air Force File photo