Dover AFB

Senior Airman Mark Arnold, 436th Civil Engineer Squadron firefighter, swings a rubber sledge hammer at a sled June 7, 2011, at Dover Air Force Base, Del. The sled is both a training tool and a tool to stay physically fit; it is often used in firefighter competitions. (U.S. Air Force photo by Airman 1st Class Jacob Morgan)

PHOTO BY: Airman st Class Jacob Morgan
VIRIN: 110512-F-AB304-107.JPG
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