200415-N-CU072-1063 PACIFIC OCEAN (April 15, 2020) Ensign David Harland, from Anchorage, Alaska, calculates the altitude of a celestial body aboard the Arleigh Burke-class guided-missile destroyer USS Russell (DDG 59). Russell is deployed to the U.S. 7th Fleet in support of security and stability in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Sean Lynch/Released)