with the personnel involved, was transferred to a newly created Office of Military Instruction in the Department of Tactics. All enlisted personnel remained assigned to the battle group. On 1 February 1962, Service Company was eliminated and its personnel absorbed into Headquarters Company. On 1 January 1965, the 1st Battle Group, 1st Infantry was redesigned as the 1st Battalion, 1st Infantry. With the exception of transferring tactical instruction to the Office of Military Instruction (now DMI) in 1961, its mission was essentially unchanged. The 2nd Battalion was then assigned to Fort Benning, Georgia. Vietnam War In 1966, the 2nd Battalion was deployed to Vietnam with the 196th Light Infantry Brigade (196th LIB). In 1967 the 3rd Battalion was activated at Schofield Barracks, Hawaii as part of the 11th Infantry Brigade. After the 11th Brigade arrived in Vietnam, both battalions became components of the Americal Division. These two battalions earned fourteen campaign streamers for the regiment during the war in Vietnam. Also in 1967, the 4th, 5th, and 6th Battalions were activated on 24 November and assigned to the 6th Infantry Division at Fort Campbell, Kentucky. The battalions at Fort Campbell were relieved from assignment to the 6th Infantry Division on 24 July 1968, and inactivated on 21 July 1969. The 11th Infantry Brigade returned home in 1971, at which time 3rd Battalion was deactivated. On 11 April 1972 the 2nd Battalion was flown into Phu Bai Combat Base from Danang to provide base security. On 12 April 1972 approximately 50 men from Company C, 2nd Battalion refused to go on a combat patrol in the hills west of Phu Bai, but eventually undertook the patrol. The 2nd Battalion commander Lieutenant colonel Frederick P. Mitchell blamed television newsmen and journalists for inciting the combat refusal. The 196th Light Infantry Brigade was the last combat brigade to leave Vietnam in June 1972. Following its tour of duty in Vietnam the 2nd Battalion was sent to Fort Lewis, Washington, where it became part of the 9th Infantry Division. In January 1991 the battalion became part of the 199th Infantry Brigade at Fort Polk, Louisiana, where it remained until inactivation in 1994. 1st Infantry soldiers awarded the Medal of Honor for service in Vietnam: Specialist Four Thomas J. McMahon, Company A, 2nd Battalion, 19 January 1969, Quang Tin Province (posthumous) Specialist Four Donald Sloat, 3rd Platoon, Delta Company, 2nd Battalion, 17 January 1970, Quảng