Posted: 10/01/2016
PHILIPPINE SEA (Oct. 1, 2016) The USS Ronald Reagan (CVN 76) conducts a live-fire exercise of its Phalanx Close-in Weapons System (CIWS). The CIWS combines a 20 mm Gatling gun with search-and-tracking radar to provide surface ships with terminal defense against anti-ship missiles. Ronald Reagan, the Carrier Strike Group Five (CSG 5) flagship, is on patrol supporting security and stability in the Indo-Asia-Pacific region. (U.S. Navy photo by Petty Officer 3rd Class Nathan Burke)