U.S. Coast Guard Lt. j.g. David Guerreiro watches a shipmate adjust his goggles on the flight deck of USCGC Thetis (WMEC 910) off the northern coast of Cuba on Nov. 21, 2021. The crew of the Thetis checked all their personal protective equipment before conducting helicopter operations on the cutter. (U.S. Coast Guard photo by Petty Officer 3rd Class John Hightower)