Coast Guard Lt.j.g. Samuel Severson, commanding officer of the U.S. Coast Guard Cutter Blackfin (WPC 87317), studies for a math course in his free, time on the mess deck, while underway, September 16, 2025. Severson and the Blackfin crew members were underway off the coast of Southern California patrolling a nearby search area and conducted crew training to earn qualifications. (U.S. Coast Guard Photo by Petty Officer 3rd Class Richard B. Uranga)