1st Provisional Marine Brigade
By the end of the day, 4th and 22nd Regiments took places about 2,000 meters or 6,000 feet inside Guam. The The 305th Regimental Combat Team helped the Marines for about 3 or 4 days before they regrouped with the 77th Infantry Division that was in the North. The 1st Brigade, 3rd Marine Division was south and the 77th Infantry Division cut off and split the Orote Peninsula. By July 29th, they fully cleared the place and killed about 2,500 Japanese. The 4th Marines were in the right of the West Flank while the 22nd Marine Regiment was on the left of the East Flanks, they quickly killed off the Japanese.