Keywords: Flickr - Official U.S. Navy Imagery - Navy divers drop a cofferdam into the water..jpg SAN DIEGO July 10 2012 Divers from the Southwest Regional Maintenance Center drop a cofferdam into the water next to the amphibious assault ship USS Boxer LHD 4 before conducting hull maintenance Southwest Regional Maintenance Center is the largest shore based intermediate maintenance activity and the second largest ship repair facility in the Southwestern United States providing intermediate level maintenance support to more than 100 surface ships and submarines of the U S Pacific Fleet and U S Coast Guard U S Navy photo by Mass Communication Specialist 2nd Trevor Welsh/Released 120710-N-ZS026-054 Join the conversation http //www facebook com/USNavy www facebook com/USNavy http //www twitter com/USNavy www twitter com/USNavy http //navylive dodlive mil navylive dodlive mil http //www flickr com/photos/usnavy/7555892080/ Navy divers drop a cofferdam into the water 2012-07-12 09 49 http //www flickr com/people/56594044 N06 Official Navy Page from United States of America MC2 SW/AW Trevor Welsh/U S Navy U S Navy photo PD-USGov-Military-Navy Official U S Navy Imagery http //flickr com/photos/56594044 N06/7555892080 2012-11-12 15 53 14 cc-by-2 0 Images from United States Navy to check United States Navy images |