President Donald J. Trump arrives on Air Force One to Joint Base Langley-Eustis, Va., March 2, 2017. Joint Base Langley-Eustis provides mission ready Airmen and Soldiers who deploy at a moment’s notice to support combatant commanders engaged in expeditionary, joint and coalition operations world-wide. (U.S. Air Force photo by Tech. Sgt. Daylena S. Ricks)