MONARCH MATES U.S. Navy Petty Officer 1st Class Joshua Roy prepares to greet crew members of the Turkish navy submarine SSK Anafartalar during an underwater rescue exercise in the Mediterranean Sea, May 30, 2011. Roy is a diver assigned to the Deep Submergence Unit. Participants and observers from more than 25 countries are taking part in NATO exercise Bold Monarch 2011, the world's largest submarine rescue exercise. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 000571-F-CMU95-422.jpg Photo Gallery