191203-N-LK322-1015 PACIFIC OCEAN (Dec. 3, 2019) Seaman Shelbyan Diaz, from Harlingen, Texas, uses a sound-powered telephone to report the distance between the aircraft carrier USS Theodore Roosevelt (CVN 71) and the Military Sealift Command fleet replenishment oiler USNS Yukon (T-AO 202), Dec. 3, 2019. Theodore Roosevelt is underway conducting routine training in the eastern Pacific Ocean. (U.S. Navy photo by Airman D.J. Schwartz/Released)