170506-N-VN584-414 PACIFIC OCEAN (May 6, 2017) Hull Technician Fireman Jonathan Coleman uses a welding torch to cut metal framing aboard the aircraft carrier USS Theodore Roosevelt. The ship is participating in a group sail training unit exercise to enhance mission-readiness and warfighting capabilities between the ships, air wing and staffs through simulated real-world scenarios. (U.S. Navy photo by Mass Communication Specialist Seaman Alex Corona/Released)