190522-N-CU072-1004 GULF OF ALASKA (May 20, 2019) Aviation Boatswain’s Mate (Fuel) 1st Class Rogelio Hernandez, from Guam, inspects fuel for debris aboard the aircraft carrier USS Theodore Roosevelt (CVN 71) while participating in Exercise Northern Edge 2019. Northern Edge is one in a series of U.S. Indo-Pacific Command exercises in 2019 that prepares joint forces to respond to crisis in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Sean Lynch/Released)