PACIFIC OCEAN (May 11, 2017) Ships and aircraft from the Theodore Roosevelt Carrier strike Group (TRCSG) participate in a simulated strait transit during a Group Sail training exercise (GRUSL) with the Theodore Roosevelt Carrier Strike Group (TRCSG). GRUSL is the first step in the Theodore Roosevelt’s integrated training phase and aims to enhance mission readiness and warfighting capabilities between the ships, air wing and the staffs of the TRCSG through simulated and real-world scenarios. (U.S. Navy Photo by Mass Communication Specialist 2nd Class Paul L. Archer/Released)