U.S. Coast Guard Lt. j. g. Peyton Henderson provides training to a fellow crew member on the mess deck of USCGC Thetis (WMEC 910) off the coast of San Juan, Puerto Rico, on Dec. 9, 2021. While standing by for an inbound helicopter, the crew took the time to advance their qualifications or assist others. (U.S. Coast Guard photo by Petty Officer 3rd Class John Hightower)