Patients from Naval Medical Center San Diego (NMCSD), Camp Pendleton Naval Hospital, local veteran’s administration hospitals and members of the California Paralyzed Veterans Association prepare to submerge during the Scuba Diving Experience and Training class on NMCSD in San Diego, Calif., Dec. 14, 2007. NMCSD Health Promotion Department and members of the Handicapped Scuba Association held the introductory class for wounded military members and other veterans to gain a clearer understanding of how tobecome a scuba diver. (U.S. Navy photo by Mass Communication Specialist 2nd Class Greg Mitchell) (Released)