ELLSWORTH AIR FORCE BASE S.D. -- Airman 1st Class Corey Hook, 28th Bomb Wing photographer, lays on the ground with a simulated open abdominal wound during a phase II operational readiness exercise, July 20. Treatment of an open abdominal wound falls under self-aid buddy care, which Airmen practice during the phase II ORE. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)