CIA activities in Vietnam the next 14 years, the focus of their paramilitary operations changed over time. Until 1964, the Hmong fighters in Laos focused on trying to fight back North Vietnamese fighters and on preventing further encroachment. They were highly important, because the US hadn't begun putting troops on the ground in any great numbers, yet. After that, in 1965, the report describes the Hmong activities in Laos as "flitt[ing] over mountain trails or mov[ing] by air to occupy key high ground and to harass Hanoi's tanks and artillery," meaning that US troops took on a frontline role and asked the paramilitary forces
South Korea in the Vietnam War government.The US had also withdrew the 7th Division from the Korean peninsula while placing the 2nd Division in the rear which soured relations between Korea and the US. In 1969 the South Korean army accounted for 9% of the foreign troops stationed in South Vietnam (US Army 475,200, ROK Army 49,755), by the end of 1972, the South Korean army accounted for 60.5% of foreign troops (US Army 24,200, ROK Army 37,438). US Marine Aviation assets that supported the Blue Dragon troops withdrew completely in May 1971 while the combat role of Korean troops continued. Around the time of the