1966 operating throughout III Corps. On 3 July 1969 while Company D, 2nd Battalion was patrolling in Long Khanh Province during Operation Toan Thang III it was ambushed by the People's Army of Vietnam 33rd Regiment losing nine killed including Corporal Michael Fleming Folland who smothered an enemy hand grenade with his body, he was later posthumously awarded the Medal of Honor. The 199th LIB returned to the United States in 1970 and the 2nd Battalion was inactivated on 15 October 1970 at Fort Benning. The 4th Battalion in Vietnam (1967–68) The 4th Battalion of The Old Guard was officially activated at Schofield Barracks, Hawaii, on 1 July 1966, and commanded by LTC Harold J. Meyer. The battalion consisted initially of Headquarters and Headquarters Company and A Company, containing one officer/five enlisted men and twenty one enlisted men respectively. By 31 December 1966, the battalion strength had increased to 37 officers, two warrant officers and 492 enlisted men. When the battalion was reactivated, it utilized facilities formerly occupied by elements of the 25th infantry Division. During the period of 1 July 1966 through 10 September 1966, the battalion conducted preparation for Basic Unit Training since most of the Old Guard's lower enlisted personnel had never served with a regular unit. The non-commissioned officers, on the other hand, were greatly experienced with many recent returns from Vietnam. During its preparation for service in South Vietnam, the 4th Battalion was assigned to the 11th Infantry Brigade. On 15 August 1967, the 11th Infantry Brigade adopted the "light Infantry" concept. By selecting one rifle platoon and personnel from the weapons platoon from each line company, an additional line company, delta, was introduced to the battalion. Further by removing the 4.2" mortar and reconnaissance platoons and the ground surveillance section from the former headquarters company, a combat support company, Echo, was created with these two changes to the battalion, the revised strength authorization totaled 44 officers, 1 warrant officer and 886 enlisted men. On 7 July 1967, the battalion conducted a farewell review for its departing commander, Lieutenant Colonel Meyer and simultaneously Major C. Hartsfield assumed interim command of the battalion. On 20 July, the battalion welcomed Lieutenant Colonel Alvin E. Adkins as its new commander. Adkins had previously served in World War II, the Korean and Vietnam Wars. On 25 December, personnel of the advance party, including LTC Adkins, the company commanders and