A U.S. Army Soldier from the 74th Engineer Dive Detachment prepares for a simulated contaminated water diving field training exercise at Joint Base Langley-Eustis, Virginia, Nov. 16, 2020. Since their inception during World War II, engineer divers have served in every major U.S. conflict and fulfilled the role of providing underwater reconnaissance, demolition and salvage for the U.S. Army. (U.S. Air Force photo by Senior Airman Anthony Nin Leclerec)