Lt. j.g. Xavier Stuart, from San Antonio, Texas, left, performs a gun-grab exercise on Fireman Michael Drakeford, from Phillipsburg, New Jersey, right, during an oleoresin capsicum (OC) course aboard the Arleigh Burke-class guided-missile destroyer USS Preble (DDG 88) in the North Pacific Ocean, July 5. Preble is forward deployed and assigned to Destroyer Squadron (DESRON) 15, the Navy’s largest DESRON and the U.S. 7th fleet’s principal surface force.