PANAMA CITY, Fla. - Two scuba students at the Naval Diving and Salvage Training Center here swim to the surface of a 12-foot dive pool Wednesday, Dec. 6, 2006, after an emergency-preparedness exercise. With the exception of the Navy Seals and the Green Berets, personnel at the training center conduct dive certification courses with all military branches, including the U.S. Coast Guard. U.S. Coast Guard photograph by Petty Officer 1st Class NyxoLyno Cangemi