Petty Officer 3rd Class Peter Ritchel, a damage controlman aboard the USCGC Sequoia (WLB-215), ensures shots of chain are wrapped tightly around the in-hull winch on the buoy deck while working Apra Outer Harbor Entrance Lighted Buoy No. 1 (LLNR 30690) off Guam, Aug. 26, 2016. Buoys are anchored in place with a concrete "rock" of various sizes and shots of chain connect the buoy to the anchor. (U.S. Coast Guard photo by Chief Petty Officer Sara Mooers/Released)