181217-N-UX013-1134 ATLANTIC OCEAN (Dec. 17, 2018) Gas Turbine System Technician (Mechanical) Fireman Jacob Barczyk carries a fire extinguisher down a ladder well to combat a simulated fire in a main engine room during a general quarters drill aboard the Arleigh-Burke class guided-missile destroyer USS Jason Dunham (DDG 109), Dec. 17, 2018. Jason Dunham is on deployment, conducting operations in the U.S. 2nd Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jonathan Clay/Released)