ELLSWORTH AIR FORCE BASE S.D. -- Airman 1st Class Corey Hook, 28th Bomb Wing photographer, lays on a stretcher with a simulated open abdominal wound while Airmen from the 28th Medical Operations Squadron conduct self-aid buddy care during a phase II operational readiness exercise, July 20. Practicing SABC during a phase II ORE prepares Airmen for the possibility of using it in a combat zone. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)