Glimpse history with the “Greatest Generation”
A B-17 Flying Fortress flies over the skies of Olympia, Wash., May 10, 2017. The B-17 had 13, 50-caliber M2 Browning machine guns for defense. The long range capabilities of the B-17 meant they would often fly missions without fighter plane escorts. (U.S. Air Force photo by Staff Sgt. Whitney Amstutz)

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Photo by: Staff Sgt. Whitney Amstutz |  VIRIN: 170510-F-CV765-074.JPG