NORTH SEA (May 19, 2021) Ensign Charles Greer backs out of a space after discovering explosives during an anti-terrorism training event aboard the Arleigh Burke-class guided-missile destroyer USS Ross (DDG 71) while the ship is underway in the North Sea, May 19, 2021. Ross, forward-deployed to Rota, Spain, is on patrol in the U.S. 6th Fleet area of operations in support of regional allies and partners and U.S. national security interests in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 2nd Class Claire DuBois)