190718-N-IC246-0026 ATLANTIC OCEAN (July 18, 2019) Seaman Timothy North, center, gives self-contained breathing apparatus training during divisional training aboard the Arleigh Burke-class guided-missile destroyer USS Forrest Sherman (DDG 98). Forrest Sherman is underway conducting a composite training unit exercise with the Harry S. Truman Carrier Strike Group. (U.S. Navy photo by Mass Communication Specialist 3rd Class Raymond Maddocks/Released)