PACIFIC OCEAN (Sept. 17, 2020) Secretary of Defense Mark T. Esper delivers remarks to Sailors in the hangar bay of the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70). Esper toured the ship’s composite warfare commander spaces, receiving in-depth briefings on carrier strike group interoperability and naval power defense. Vinson is currently underway conducting flight deck certification and carrier air traffic control center certification. (U.S. Navy photo by Mass Communication Specialist 3rd Class Aaron T. Smith)