Petty Officer 2nd Class Steven Miller, a boatswain's mate aboard USCGC Sequoia (WLB-215), plots track lines onto a chart of Palau while at sea in the Pacific Ocean Aug. 30, 2016. Maintaining charts is a critical skill and paper charts are still used despite the availability of chart plotters. (U.S. Coast Guard photo by Chief Petty Officer Sara Mooers)