Deterrence from the ground up
Staff Sgt. Robert Cook, 791st Maintenance Squadron Mechanical and Pneudraulics Section trainer, tests a crane’s controls at Minot Air Force Base, N.D., Sept. 21, 2017. Periodic equipment repair and maintenance ensures the 91st Missile Wing continues its deterrence mission. (U.S. Air Force photo by Airman 1st Class Alyssa M. Akers)