A Lockheed U-2 pilot, assigned to the 9th Reconnaissance Wing at Beale Air Force Base, Calif., salutes his maintainer before getting into his aircraft at Nellis Air Force Base, Nev. The U-2 pilot must wear a full pressure suit similar to those worn by astronauts. (U.S. Air Force photo illustration by Airman 1st Class Bailee A. Darbasie)

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Photo by: Airman 1st Class Bailee A. Darbasie |  VIRIN: 181212-F-FM571-007.JPG