170814-N-OI558-0016 PACIFIC OCEAN (Aug. 14, 2017) Operations Specialist 2nd class Gary R. Brown conducts physical training aboard the guided-missile destroyer USS Sampson (DDG 102). Sampson is underway conducting a composite training unit exercise (COMPTUEX) with the Theodore Roosevelt Carrier Strike Group in preparation for an upcoming deployment. COMPTUEX tests the 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 seamen Chanel L. Turner/Released)