PACIFIC OCEAN (Sept. 11, 2021) A corpsman with the All Domain Reconnaissance Detachment, 11th Marine Expeditionary Unit, sights in with an M4A1 carbine during a night-time live-fire range aboard the amphibious dock landing ship USS Pearl Harbor (LSD 52), Sept. 10, 2021. Pearl Harbor, part of the USS Essex Amphibious Ready Group, along with the 11th MEU, is operating in the U.S. 7th Fleet area of responsibility to enhance interoperability with allies and partners and serve as a ready response force to defend peace and stability in the Indo-Pacific region. (U.S. Marine Corps photo by Sgt. Jaxson Fryar)