COAST GUARD HIGH ENDURANCE CUTTER (WHEC) 76MM WEAPON SYSTEM AT SEA (May 8, 2004)--An MK15, 20mm Close-In Weapons System (CIWS) onboard a U.S. Coast Guard High Endurance Cutter, is ready to take aim against air targets, on May 8, 2004. The CIWS is capable of firing 3,500 rounds per minute at airborne threats to the ship. USCG photo by Joseph P. Cirone, USCGAUX