INDIAN OCEAN (Sept. 19, 2021) A MK15 Phalanx close-in weapons system (CIWS) fires during a live-fire exercise from the U.S. Navy�s only forward-deployed aircraft carrier USS Ronald Reagan (CVN 76). Ronald Reagan, the flagship of Carrier Strike Group 5, provides a combat-ready force that protects and defends the United States, and supports alliances, partnerships and collective maritime interests in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist Seaman George Cardenas)