SAN DIEGO (Aug 5, 2020) A hospital corpsman performs an ultrasound on a special operator during a combat medic training course at Naval Medical Center San Diego’s bio simulation lab. The weeklong course hosted by Naval Special Warfare Group 1, Operational Medical Training Cell, for special operator medics and independent duty hospital corpsmen to practice and develop tactical combat critical care (TCCC) and prolonged field care (PFC) training. (U.S. Navy photo by Mass Communication Specialist 2nd Class Matthew C. Duncker)