Underway replenishment during Operation Southern Watch The fleet oiler USS Merrimack (AO 179) (center) provides fuel to guided missile cruiser USS San Jacinto (CG 56) (left) and aircraft carrier USS George Washington (CVN 73) (right) during replenishment at sea operations in the Arabian Gulf on April 29, 1996. The three U.S. Navy ships are currently deployed to the Arabian Gulf in support of Operation Southern Watch. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 721398-O-JGL23-458.jpg Photo Gallery