Keywords: U.S. Navy Chief Warrant Officer 3 John Sullivan, assigned to Mobile Diving and Salvage Unit (MDSU) 2 Company 2-4, tests a MK 20 underwater breathing apparatus prior to going into the water to repair a screw 110307-N-LO372-100.jpg en U S Navy Chief Warrant Officer 3 John Sullivan assigned to Mobile Diving and Salvage Unit MDSU 2 Company 2-4 tests a MK 20 underwater breathing apparatus prior to going into the water to repair a screw propeller on coastal patrol warship USS Firebolt PC-10 during the ship's husbandry dive in Mina Salman Bahrain March 7 2011 MDSU-2 is deployed with Commander Task Group 56 1 supporting maritime security operations and theater security cooperation efforts in the U S 5th Fleet area of responsibility 2011-03-07 MC1 Elisandro Diaz http //www defenseimagery mil/imageRetrieve action guid 5fd8d1f01000678659f061676057fb9a744cf99e t 2 Public domain photograph from defenseimagery mil http //www defenseimagery mil/imagery html guid 5fd8d1f01000678659f061676057fb9a744cf99e 110307-N-LO372-100 2011-08-17 Mina Salman PD-USGov-Military-Navy United States Navy Mobile Diving and Salvage Unit Two Images from DoD uploaded by Fæ Full face diving masks |