171213-N-OS895-1026 ARABIAN GULF (Dec. 13, 2017) Cryptologic Technician (Maintenance) 3rd Class Mikio Taniguchi, right, Cryptologic Technician (Maintenance) Seaman Arkia Hall, left, and Cryptologic Technician (Maintenance) 2nd Class Alexander Kovac calibrate an antenna’s frequency aboard the aircraft carrier USS Theodore Roosevelt (CVN 71). Theodore Roosevelt and its carrier strike group are deployed to the U.S. 5th Fleet area of operations in support of maritime security operations to reassure allies and partners and preserve the freedom of navigation and the free flow of commerce in the region. (U.S. Navy photo by Mass Communication Specialist Second Class Jason Pastrick/Released)