191214-M-OO419-1010 ATLANTIC OCEAN (Dec. 14, 2019) U.S. Marines with the 26th Marine Expeditionary Unit and Sailors with Assault Craft Unit (ACU) 4 conduct well deck operations aboard the amphibious assault ship USS Bataan (LHD 5) while underway for deployment in the Atlantic Ocean, Dec. 14, 2019. The Bataan is operating in the Atlantic Ocean in support of naval operations to maintain maritime stability and security in order to ensure access, deter aggression and defend U.S., allied and partner interests. (U.S. Marine Corps photo by Cpl. Nathan Reyes/Reelased)