Saving the world, one lock at a time
WHITEMAN AIR FORCE BASE, Mo. -- Jack Crain, 509th Civil Engineer Squadron locksmith, inspects a key for precision after cutting it, March 6. The depth and spacing of the grooves of keys locksmiths cut must be correct down to a thousandth of an inch or the key will not work. (U.S. Air Force photo/Staff Sgt. Nick Wilson) (Released)