180329-N-RG482-366 ATLANTIC OCEAN (March 29, 2018) Cmdr. David Coles, center, executive officer of the Arleigh Burke-class guided-missile destroyer USS Ross (DDG 71), gives navigational advice to other officers during a general quarters drill as the ship participates in Flag Officer Sea Training March 29, 2018. Ross, forward-deployed to Rota, Spain, is on its sixth patrol in the U.S. 6th Fleet area of operations in support of regional allies and partners and U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 1st Class Kyle Steckler/Released)