200710-N-PH222-1372 SAN DIEGO (07-10-2020) The amphibious dock landing ship USS Comstock (LSD 45) conducts a Close-In Weapon System (CIWS) live-fire maintenance exercise. Comstock is underway in the western Pacific Ocean conducting routine maritime operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ryan M. Breeden/Released)