ARABIAN GULF (March 21, 2021) A U.S. Marine Corps CH-53E Super Stallion helicopter attached to Marine Medium Tiltrotor Squadron 164 (Reinforced), 15th Marine Expeditionary Unit (MEU), flies above the amphibious transport dock ship USS San Diego (LPD 22) during a routine transit patrol in support of the International Maritime Security Construct (IMSC) in the Arabian Gulf, March 21, 2021. The IMSC maintains the freedom of navigation, international law and free flow of commerce to support regional stability and security of the maritime commons. San Diego, part of the Makin Island Amphibious Ready Group, and the 15th MEU are deployed to the U.S. 5th Fleet area of operations in support of naval operations to ensure maritime stability and security in the Central Region, connecting the Mediterranean and the Pacific through the western Indian Ocean and three strategic choke points. (U.S. Marine Corps photo by Sgt. Desiree King)