ELLSWORTH AIR FORCE BASE, S.D. – (Front to back) Staff Sgt. Benjamin Pieta and Senior Airman Kristi Terwilliger, 28th Security Forces Squadron patrolmen, patrol their area during a Phase II Operational Readiness Exercise, May 12. The Phase II ORE tested Airmen across the base on their ability to operate in a deployed environment. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)