190711-N-RJ834-0037 ATLANTIC OCEAN (July 11, 2019) Seaman Natasha Marko, assigned to the Arleigh Burke-class guided-missile destroyer USS Lassen (DDG 82), practices using her boatswain's mate pipe on the bridge wing. Lassen is underway conducting a composite training unit exercise with the Harry S. Truman Carrier Strike Group. (U.S. Navy photo by Mass Communication Specialist 2nd Class Tamara Vaughn/Released)