NORTH SEA (March 5, 2022) Sailors assigned to the guided-missile destroyer USS Donald Cook (DDG 75) chock and chain an MH-60R Seahawk helicopter during flight quarters, March 5. Donald Cook is deployed to the European theater of operations and participating in a range of maritime activities in support of U.S. Sixth Fleet and NATO Allies. (U.S. Navy photo by Mass Communication Specialist Seaman Nicholas M. Skyles)