Energy panelists answer attendees’ questions at the Air Force Association’s 2013 Air & Space Conference and Technology Exposition Sept. 19, 2013, in Washington, D.C. This portion of the three-day professional development conference focused on energy consumption, how the Air Force is meeting its energy goals, what is happening in the Senate Armed Services Committee related to energy, and the Air Force's innovations to lower energy consumption. (U.S Air Force photo/Airman 1st Class Nesha Humes)