ELLSWORTH AIR FORCE BASE, S.D. -- Airmen from the 28th Medical Group load simulated casualties into an ambulance for evacuation during a Phase II Operational Readiness Exercise, March 2. The Phase II ORE is designed to mimic a deployed environment and test the combat abilities of Ellsworth's Airmen. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)