180621-N-OX597-006 POLARIS POINT, Guam (June 21, 2018) Military Sealift Command civilian mariner Andrew Slater, the cargo engineer aboard the submarine tender USS Frank Cable (AS 40), troubleshoots the capstan motor controller of the SAS (ship or submarine alongside) boom. (U.S. Navy photo by Mass Communication Specialist 1st Class Richard Doolin/Released)