U.S. Navy Petty Officer 2nd Class Sergio Valasquez, a mineman with Navy Munitions Command Atlantic Unit Charleston tightens a bolt on an inert underwater mine at Barksdale Air Force Base, Louisiana, Jan. 30, 2019. The mines are prepared by Navy personnel, but loaded onto a B-52 Stratofortress by Reserve Citizen Airmen. The B-52 can lay mines as part of its maritime capabilities. (U.S. Air Force photo by Master Sgt. Ted Daigle)