150902-N-QH848-074 ATLANTIC OCEAN (Sept. 2, 2015) Machinist's Mate 2nd Class S. M. Simons stands the water control watch aboard aircraft carrier USS Harry S. Truman (CVN 75). Truman is underway for COMPTUEX, a series of training scenarios designed to certify Harry S. Truman Carrier Strike Group as a deployment-ready fighting force capable of completing operations in overseas theaters. (U.S. Navy photo by Mass Communication Specialist 3rd Class A. A. Cruz/Released)