171201-N-PC620-0242 ATLANTIC OCEAN (Dec. 1, 2017) Capt. Joseph O’Brien, commanding officer of the amphibious assault ship USS Iwo Jima (LHD 7), observes as an MH-60S Sea Hawk assigned to Helicopter Sea Combat (HSC) 28 lowers a pallet onto the flight deck of the ship during a vertical replenishment. Iwo Jima, components of the Iwo Jima Amphibious Ready Group and the 26th Marine Expeditionary Unit (26th MEU) are conducting a combined composite training unit exercise that is the culmination of training for the Navy-Marine Corps team and will certify them for deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Michael H. Lehman/Released)