180219-N-IA905-1014 ARABIAN GULF (Feb. 19, 2018) Boatswain’s Mate 2nd Class Johnny Grays, center, signals an MH-60S Sea Hawk helicopter while Boatswain’s Mate 1st Class Joshua J. Hightower, left, acts as safety officer on the flight deck of the Arleigh Burke-class guided-missile destroyer USS Preble (DDG 88). Preble is 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 3rd Class Morgan K. Nall/Released)