"มาร์ชกรมทหารอาสาสมัคร" (Royal Thai Volunteer Regiment March) is the marching song of the Royal Thai Volunteer Regiment (Queen's Cobra Regiment). It's a song that was used along with "มาร์ชจงอางศึก" (Queen's Cobra March) was a Thai force operating in South Vietnam 1967 - 1968. Help the United States and South Vietnam from the threat of communist North Vietnam, Viet Cong, Red China and Soviet Union. later, we will know each other as the Royal Thai Army Expeditionary Division (Black Panthers) from 1968, this song was still in use until the Thai government announced to the United States and South Vietnam that half of the Division would be withdrawn in July 1971, and the remaining half in February 1972 in line with their earlier proposals.