ELLSWORTH AIR FORCE BASE, S.D. - Staff Sgt. Thomas Rye, 28th Civil Engineer Squadron heavy equipment operator, stands guard while securing the gate at Camp Lancer during a Phase II Operational Readiness Inspection, Oct. 14. During the Phase II ORI, Airmen are tested on their abilities while being attacked by simulated ground and air attacks. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)