Adm. William Gortney, commander of North American Aerospace Defense Command and U.S. Northern Command, seated center, is briefed on Buckley Air Force Base mission capabilities during a tour Dec. 16, 2014, on Buckley AFB, Colo. Gortney assumed command Dec. 5, 2014, of NORAD/NORTHCOM and toured Buckley to familiarize himself with the base and its mission. (U.S. Air Force photo by Airman 1st Class Luke Nowkowski/Released)