Swiss Air Flight 111 and the Space Shuttles Challenger and Columbia. Post Vietnam the DOD has made an effort to recover the missing remains of US service personnel. In 2010 MDSU divers searched at Quynh Phuong, Vietnam for the Joint POW/MIA Accounting Command or JPAC. They dove the Mediterranean for WWII remains in 2012. In 2018 MDSU divers were again requested by the Defense POW/MIA Accounting Agency or DPAA, which had absorbed JPAC. The divers were sent to the Palau group where WWII aircraft were known to have gone down. In 2003 Divers from MDSU 1 and SUPSALV were given the task to remove of bunker fuel from the wreck of . Hurricane Katrina in 2005 followed by Rita brought disaster recovery to Navy divers. In 2006, the US Navy changed Diving from a "qualification" to a rating of the fleet: Navy Diver (ND). In 2007 divers from the Naval Experimental Diving Unit, Mobile Diving Salvage Unit 2 and US Army worked on the salvage of the Soviet submarine K-77. That same year MDSU divers were sent to Minnesota when the Interstate 35 bridge collapsed into the Mississippi river In 2011 the divers of Mobile Diving Salvage Unit 1 along with USCG and SUPSALV divers were tasked with the clearance of of bunker fuel from the wreck of in Pago Pago Harbor. MDSU 1 was called in 2018 to repeat the action on on the WWII German cruiser Prinz Eugen. The ship had been sink in the atomic tests of Operation Crossroads. Distinguished Diver list: William Badders Chief Machinist mate Carl Brashear Master Chief Boatswains Mate Orson Leon Crandall Chief Boatswains Mate Owen Francis Patrick Hammerberg Boatswains mate 2nd Class James Harper McDonald Chief Metalsmith John Mihalowski Chief Torpedoman Chief Machinist mate Edward Raymer (was the senior NCO of the first divers sent to Pearl Harbor after the attack, retired with the rank of Commander) 29 Divers received the Navy and Marine Corps Medal for having over 100 hours in dive time at Pearl Harbor. 2 Divers received the Navy and Marine Corps Medal for diving during gale-force winds, in sub-freezing temps, snow, and possible air attack (including a nine-hour dive in water). Training and ratings The Schools After completion of recruit training or acceptance in the Navy diver program from the Fleet, individuals will go to Naval Training Center, Great Lakes, for Diver Preparation Course (32 training days, including