Lt. Gen. William H. Etter, Commander of Continental U.S. North American Aerospace Defense Command Region - 1st Air Force, greets crew chiefs from the New Jersey Air National Guard's 177th Fighter Wing at the Atlantic City Air Guard Base, as he steps to fly one of the unit's F-16C Fighting Falcons on April 3, 2014. (U.S. Air National Guard photo by Master Sgt. Andrew J. Moseley/Released)