During the mid-1960s, the school was one of several institutions through which the U.S. Army augmented "training in jungle warfare". In the first years of the decade, the Army made the Jungle Operations Committee part of the School of the Americas. This addition resulted in a surge in attendance by U.S. military personnel. By 1967, the school had graduated 22,265 U.S. soldiers. The Department of Defense reported to President Lyndon B. Johnson that 180 students from the Continental U.S. Base had been trained in 1965, including 60 from the 1st Cavalry Division deployed in the Republic of Vietnam.