170508-N-AZ808-026 PACIFIC OCEAN (May 8, 2017) Midshipman 2nd Class Kelsey Ohm receives instruction on the basic concepts of damage control aboard the aircraft carrier USS Theodore Roosevelt (CVN 71). The ship is participating in a group sail training unit exercise to enhance mission-readiness and warfighting capabilities between the ships, air wings and staffs through simulated real-world scenarios. (U.S. Navy Photo by Mass Communication Specialist Seaman Nicholas R. Burgains/Released)