Up to Standards
Senior Airman Sam Challis, 379th Expeditionary Civil Engineer squadron structural journeyman, installs wood trim around an air conditioning unit inside a latrine during a renovation project, Oct. 9, 2009, in Southwest Asia. The 379 ECES maintains and upgrades base facilities, when required, to ensure buildings meet Air Force standards. Airman Challis is deployed from Peterson Air Force Base, Colo., in support of operations Iraqi Freedom and Enduring Freedom. (U.S. Air Force photo/Staff Sgt. Robert Barney)