Staff Sgt. Kenneth Brown, 633d Logistics Readiness Squadron mobility bag inspection team, briefs Senior Airman Patrick Wentz, 1st Maintenance Squadron Aerospace Ground Equipment journeyman, during an Operational Readiness Exercise, at Langley Air Force Base, Va., Feb. 27, 2011. Staff Stg. Brown makes sure Airman Wentz have inspection tags for gas masks and proper caps for canteens to ensure safety. (U.S. Air Force photo by Airman 1st Class Teresa Zimmerman/Released)