MINOT AIR FORCE BASE, N.D. – Airman 1st Class Ryan Watson, 791st Missile Security Forces Squadron response force leader, performs a sit-up here, Jan 18. Five individuals participated in the 91st Missile Security Squadron Tactical Response Force tryouts. The tryouts consisted of running, push-ups, sit-ups and tactical maneuvers. (U.S. Air Force photo by Senior Airman Ashley N. Avecilla)