U.S. Coast Guard Petty Officer 3rd Class Joshua Langlais, a boatswain’s mate, simulates breaking through a bulkhead during a training drill with the Afloat Training Organization (ATO) while underway in the North Pacific Ocean, Nov. 28, 2023. The ATO, the Coast Guard’s official shipboard training team, assists the Polar Star’s onboard training teams in refining their casualty response skills. (U.S. Coast Guard photo by Petty Officer 3rd Class Ryan Graves)