Ho Chi Minh trail
While Hmong soldiers were known to assist the North Vietnamese in many situations, Hmong soldiers were also recognized for serving in combat against the NVA and the Pathet Lao, helping block Hanoi's Ho Chi Minh trail inside Laos and rescuing downed American pilots. Though their role was generally kept secret in the early stages of the conflict, they made great sacrifices to help the U.S.