Secretary of the Air Force Michael Donley addresses Airmen, sister service members and industry partners Sept. 19, 2011, about the state of the Air Force during the Air Force Association’s 2011 Air & Space Conference and Technology Exposition at National Harbor, Md. Donley explained how the Air Force will seek to maintain key air power capabilities in an austere budget environment. (U.S. Air Force photo/ Airman 1st Class Melissa Goslin)