Credit: Courtesy | Date Taken: 09112017 br The crew of the Coast Guard Cutter Heriberto Hernandez maintains a maritime law enforcement presence and marks hazards to navigation in Coral Bay, St. John, U.S. Virgin Islands during Hurricane Irma response efforts, Tuesday, Sept. 12, 2017. The Coast Guard Sector San Juan cutter fleet along with other cutters maintain a maritime presence in the waters around the U.S. Virgin Islands while also bringing emergency supplies, equipement and personnel to the islands effected by Hurricane Irma. U.S.