(From left) U.S. Air Force Cols. Donald Borchelt, 1st Fighter Wing vice commander, and Caroline Miller, 633rd Air Base Wing commander, watch a demo during the ATLANTIC TRIDENT 17 World War I Remembrance Day at Joint Base Langley-Eustis, Va., April 21, 2017. The goal of AT17 was to enhance interoperability through combined coalition aerial campaigns. (U.S. Air Force photo/Staff Sgt. Areca T. Bell)