Keywords: US Navy 110607-N-EC642-488 Machinist's Mate 2nd Class Joel Rivera, right, assigned to Deep Submergence Unit, directs members of the media down the.jpg en MEDITERRANEAN SEA June 7 2011 Machinist's Mate 2nd Class Joel Rivera right assigned to Deep Submergence Unit directs members of the media down the hatch of the Submarine Rescue Diving and Recompression System during a submarine rescue exercise as part of exercise Bold Monarch 2011 The U S submarine rescue vehicle mated with the Russian submarine SSK Alrosa SSK 554 the first time a Russian submarine mated with a U S submarine rescue system Participants and observers from more than 25 countries are taking part in the 12-day NATO exercise which is the world's largest submarine rescue exercise U S Navy photo by Mass Communication Specialist 2nd Class Ricardo J Reyes/Released 2011-06-07 110607-N-EC642-488 Navy http //www navy mil/view_image asp id 102240 U S Navy photo by Mass Communication Specialist 2nd Class Ricardo J Reyes PD-USGov-Military-Navy Bold Monarch 2011 Deep submergence rescue vehicles B-871 Alrosa submarine 1990 |