170124-N-MJ135-012 PACIFIC OCEAN (Jan. 24, 2017) Damage Controlman 3rd Class Karlo Zacarias, assigned to the aircraft carrier USS Theodore Roosevelt (CVN 71), instructs Sailors on the proper use of a Naval Firefighting Thermal Imager during damage control team leader training. Theodore Roosevelt is off the coast of Southern Calif. conducting carrier qualifications. (U.S. Navy photo by Mass Communication Specialist 3rd Class Spencer Roberts/Released)