A U.S. Army Soldier from the 74th Engineer Dive Detachment dives during a simulated contaminated water diving field training exercise at Joint Base Langley-Eustis, Virginia, Nov. 16, 2020. The U.S. Army Engineer Divers conduct two methods of diving: self-contained underwater breathing apparatus (SCUBA) and surface-supply. (U.S. Air Force photo by Senior Airman Anthony Nin Leclerec)