 Complete the following phrase:  During the Korean War, First Lieutet Mitchell was a rifle company platoon commander in Company A, 1st Battalion, 7th Marine Regiment, 1st Marine Division; the 7th Marines were activated on August 17, 1950 at Camp Pendleton. The 7th Marines and Mitchell, left Camp Pendleton and sailed for Japan on September 1. On September 21, the 7th Marines made an amphibious landing at Inchon, South Korea. His regiment including the 1st Battalion, rejoined the 1st Marine Division which had made an assault landing at Inchon on September 15, and participated with the division in the 