Keywords: US Navy 110323-N-OT964-015 Navy divers assigned to Mobile Diving and Salvage Unit (MDSU) 2, check their gauges during a training dive.jpg en NAVAL SUPPORT ACTIVITY Bahrain March 23 2011 Navy divers assigned to Mobile Diving and Salvage Unit MDSU 2 check their gauges during a training dive to familiarize themselves with the MK 16 MOD 1 underwater breathing apparatus The Mark 16 is a re-breathable underwater system used for bubble-free operations in water conditions with low visibility Personnel from MDSU-2 are assigned to Combined Joint Task Force 56 1 which provides maritime security operations and theater security cooperation efforts in the U S 5th Fleet area of responsibility U S Navy photo by Mass Communication Specialist 3rd Class Martin L Carey/Released 2011-03-23 110323-N-OT964-015 Navy http //www navy mil/view_image asp id 99731 U S Navy photo by Mass Communication Specialist 3rd Class Martin L Carey PD-USGov-Military-Navy Naval Support Activity Bahrain Underwater photographs of scuba divers Diving rebreathers Mk 16 underwater breathing apparatus |