170811-N-DM308-873 PACIFIC OCEAN (Aug. 11, 2017) The guided-missile destroyer USS Halsey (DDG 97) transits the Pacific Ocean during a strait transit show of force exercise. Halsey is underway conducting a composite training unit exercise (COMPTUEX) with the Theodore Roosevelt Carrier Strike Group in preparation for an upcoming deployment. COMPTUEX tests a carrier strike group’s mission readiness and ability to perform as an integrated unit through simulated real-world scenarios. (U.S. Navy photo by Mass Communication Specialist 2nd Class Paul L. Archer /Released)