Deep Dive Marines swim underwater during a qualification course at Camp Hansen, Okinawa, Japan, Aug. 28, 2026. The swim qualification test supports mission readiness by developing Marines' confidence and ability to survive and operate in aquatic and littoral environments during amphibious operations or rescue situations. SHARE: Download: Full Size (1.53 MB) Tags: pacific, training, marine corps Credit: Marine Corps Lance Cpl. John-Paul Haubeil VIRIN: 260828-M-FK383-9178.JPG Photo Gallery