Air Force works to improve energy efficiency
Air Force Vice Chief of Staff Gen. Phil Breedlove speaks on operational energy during the Army-Air Force Energy Forum July 20, 2011, in Arlington, Va. The forum provided an opportunity for attendees to hear the views of and interact with senior leadership from the Department of Defense, federal agencies, Congress and industry regarding the strategic importance and future direction of Army and Air Force energy. (U.S. Air Force photo/Staff Sgt. Tiffany Trojca)