Midshipmen from the U.S. Naval Academy Dolphin Club observe a Sailor execute a pressurized ascent in the submarine ascent traine

101118-N-9531K-003 
GROTON, Conn. (Nov 18, 2010) Midshipmen from the U.S. Naval Academy Dolphin Club observe a Sailor execute a pressurized ascent in the submarine ascent trainer at the Naval Submarine School at Naval Submarine Base New London. (U.S. Navy photo by William Kenny/Released)

101118-N-9531K-003 
 GROTON, Conn. (Nov 18, 2010) Midshipmen from the U.S. Naval Academy Dolphin Club observe a Sailor execute a pressurized ascent in the submarine ascent trainer at the Naval Submarine School at Naval Submarine Base New London. (U.S. Navy photo by William Kenny/Released)