190410-N-TI693-0135 ATLANTIC OCEAN (April 10, 2019) Chief Boatswain's Mate Andrew Werner waves a flag simulating that a fire has been extinguished during a general quarters drill aboard the Alreigh Burke-class guided-missile destroyer USS Carney (DDG 64) during exercise Joint Warrior 19-1, April 10, 2019. Joint Warrior is a United Kingdom-led, multinational exercise in a robust maritime training environment in which allies and partners can improve interoperability and prepare forces for combined operations. (U.S. Navy photo by Mass Communication Specialist 1st Class Fred Gray IV/Released)