170805-N-MJ135-639 PACIFIC OCEAN (Aug. 5, 2017) Rear Adm. Steve Koehler, center, commander of Carrier Strike Group (CSG) 9, prepares to dine with the crew of the guided-missile destroyer USS Higgins (DDG 76) during a routine tour of the vessel. Higgins is part of the Theodore Roosevelt Carrier Strike Group, which is underway conducting a composite training unit exercise (COMPTUEX) 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 3rd Class Spencer Roberts/Released)