Energy conservation
U.S. Army Forces Command Deputy Commander Lt. Col. Howard Bromberg; Gen. Duncan McNabb, the commander of U.S. Transportation Command; Gen. Donald Hoffman, the commander of Air Force Materiel Command; and U.S. Army North Commander Lt. Gen. Guy Swan participate in a discussion panel moderated by Office of the Assistant Chief of Staff for Installation Management Director of Operations Maj. Gen. Al Aycock July 20, 2011, during the Army-Air Force Energy Forum in Arlington, Va. (U.S. Air Force photo/Staff Sgt. Tiffany Trojca)