A U.S. Navy diver from Mobile Diving and Salvage Unit (MDSU) 2 enters a flooded ballast tank aboard the ex-USS Fort McHenry (LSD-43) during an afloat salvage training dive in Philadelphia, Pennsylvania, Nov. 18, 2024. MDSU 2 and Explosive Ordnance Disposal Mobile Unit (EODMU) 6 are training as an integrated team during a simulated afloat salvage exercise encompassing battle damage, unexploded ordnance (UXO) and long-range communication aboard the ex-USS Fort McHenry. (U.S. Navy photo by Mass Communications Specialist 2nd Class Jackson Adkins)