4th Infantry Division
Initially formed in 1917, the 4th Infantry Division ("Ivy Division") served in both World Wars. The division arrived in Vietnam in September 1966 and was immediately committed to action in Operation Attleboro. During the last months of 1966 and the first half of 1967, a good number of the division attempted to secure Pleiku and Kontum provinces, while the division's 3rd Brigade participated in Operation Junction City. Later In 1967, the division's 1st and 2nd brigades participated in Operation MacArthur in Kontum Province. In this operation, elements of the 4th Division became involved in the harsh Battle of Dak To in November. The division continued to patrol the Pleiku and Kontum provinces of the western highlands throughout 1968 and 1969. In May 1970, the division entered Cambodia as part of Operation Binh Tay. The division departed Vietnam in December 1970 as part of the phased American withdrawal. During the course of the Vietnam War, the 4th Infantry Division suffered 16,844 casualties.