150209-N-DT805-411 PACIFIC OCEAN (Feb. 9, 2015) A UH-60 Blackhawk helicopter from the Army’s 25th Combat Aviation Brigade (25 CAB) flies over the guided-missile destroyers USS Preble (DDG 88) and USS Chafee (DDG 90) during an independent deployer certification exercise. (U.S. Navy photo by Chief Mass Communication Specialist John M. Hageman/Released)