1st Provisional Marine Brigade
During April 18th of 1944, the 1st Provisional Marine Brigade was activated again but this time to fight in Guadalcanal. They were a reserve force for a bit, and they were commanded by Brigadier General Lemuel C. Shepherd. In July, the 1st Provisional Marine Brigade went to the Marshall Islands for the Invasion of Guam. Guam was under the Empire of Japan. They waited for a bit then they got about 9,886 men and had the 4th and 22nd Marine Regiment inside of them. They joined the Third Amphibious Corps, which had almost 60,000 men and they would attack Guam, the 305th Infantry Regiment also joined.