TYNDALL AIR FORCE BASE, Fla. - Lt. Gen. William Etter, (left) Commander, Continental U.S. North American Aerospace Defense Command Region - 1st Air Force (Air Forces Northern), Tyndall Air Force Base, Fla., discusses the different CONR – 1 AF (AFNORTH) mission sets with Adm. Bill Gortney, Commander, North American Aerospace Defense Command-U.S. Northern Command, as the admiral views them during a visit to the 601st Air Operations Center at Tyndall. (U.S. Air Force Photo by Mary McHale/Released)