U.S. Air Force Lt. Col. Brian Ortman, right, 1st Fighter Wing Public Health commander, and Maj. Greg Garrison, left, 633rd Aerospace Medicine Squadron Bio-Environmental Engineering Flight commander, references a quick guide during a Post-Attack Reconnaissance sweep during a Phase II Operational Readiness Exercise at Langley Air Force Base, Va., April 20, 2012. The Phase II ORE is designed to simulate a deployed environment and test self-aid and buddy care and post-attack reconnaissance response. (U.S. Air Force photo by Airman 1st Class Kayla Newman/Released)