181120-N-NB544-1009 PACIFIC OCEAN (Nov. 20, 2018) Sailors assigned to the air department of the San Antonio-class amphibious transport dock ship USS Somerset (LPD 25) participate in a firefighting drill with a UH-1Y Huey helicopter assigned to the "Vipers" of Marine Light Attack Helicopter Squadron (HMLA) 169 on the flight deck, Nov. 20, 2018, while underway in the Pacific Ocean. Somerset is part of Littoral Combat Group One, which is deployed in support of the Enduring Promise Initiative to reaffirm U.S. Southern Command’s longstanding commitment to the nations of the Western Hemisphere. (U.S. Navy Photo by Mass Communication Specialist 2nd Class Kyle Carlstrom/Released)