ATLANTIC OCEAN (March 2, 2021) Ensign Samuel Gilbert, from Roseville, California, studies a course aboard the Arleigh Burke-class guided-missile destroyer USS Mahan (DDG 72), March 2, 2021. Mahan is on a routine deployment in the U.S. 6th Fleet area of operations in support of U.S. national interests and security in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist Seaman Ryan Childress)