U.S. Army Lt. Col. Jonathon Stover, commander of the 20th Engineer Brigade, speaks to a deploying group before departing Fort Eustis, Va., Jan. 24, 2016. The mission of the 86th Engineer Detachment (Dive) is to provide engineer dive support theater commanders on the areas of ports, harbors, inland waterways and littoral zones. (U.S. Air Force photo by Senior Airman Breonna Veal)