The United States Marine Corps The United States Marine Corps, also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations. Founded: November 21st, 2021 Our Headquarters: Commandant of the Marine Corps: General BallisticPapi Assistant Commandant of the Marine Corps: General N/A Sergeant Major of the Marine Corps: Sergeant Major N/A Director of Marine Corps Staff: Lieutenant General N/A Inspector General of the Marine Corps: Major General N/A Former Commandants: Commandant Agent_Hazey Commandant IMissMyPapi Military Conflicts - N/A Communications Server - N/A