1st Provisional Marine Brigade
During the Korean War, the United States Marine Corps was becoming smaller and they weren't prepared for the Korean War. During 25 of June, 1950, the Joint Chiefs of Staff who are the people who lead the Military said to the Marines to get 15,000 man division to help the United Nations Command which was a coalition of countries fighting in the war. The 1st Provisional Marine Brigade was the first unit to be sent to Korea, under General Edward A. Craig.