181025-M-YD783-0018 ATLANTIC OCEAN (Oct. 25, 2018) Marines assigned to Medium Tiltrotor Squadron (VMM) 264 (Reinforced), 22nd Marine Expeditionary Unit (MEU), brace for balance against an AV-8B Harrier as a CH-53E Super Stallion helicopter takes flight during Carrier Strike Group 4 composite training unit exercise (COMPTUEX) aboard the Wasp-class amphibious assault ship USS Kearsarge (LHD 3), Oct. 25, 2018. COMPTUEX is the final pre-deployment exercise that certifies the combined Kearsarge Amphibious Ready Group and 22nd Marine Expeditionary Unit's abilities to conduct military operations at sea and project power ashore through joint planning and execution of challenging and realistic scenarios. (U.S. Marine Corps photo by Lance Cpl. Tawanya Norwood/Released)