170824-N-IA905-0013 PACIFIC OCEAN (Aug. 24, 2017) Cmdr. Allen Maxwell Jr., commanding officer of the guided-missile destroyer USS Preble (DDG 88), addresses members of the crew during an operational stand down aboard the ship. Preble 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 Seaman Morgan K. Nall/Released)