Technicians undergo explosive training
U.S. Air Force Tech. Sgt. Ryan Tennyson, right, a 52nd Civil Engineer Squadron explosive ordnance disposal technician from Norwich, Conn., opens the door of a building during a suspicious-package exercise at Spangdahlem Air Base, Germany, July 2, 2014. Tennyson propped the door open so that another technician could easily navigate an ANDROS F-6A EOD robot into the building to examine the scene. (U.S. Air Force photo by Senior Airman Gustavo Castillo/Released)

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Photo by: Senior Airman Gustavo CastilloReleased  |  VIRIN: 140702-F-VI983-056.JPG