After returning from Vietnam, Muller became a staunch advocate for veterans and anti-war activist; he founded Vietnam Veterans of America (VVA) in 1978 and Vietnam Veterans of America Foundation (VVAF) in 1980.
Muller became a staunch advocate for veterans and anti-war activist. Muller was returning from Vietnam. He founded Vietnam Veterans of America (VVA) in 1978 in 1980. He founded Vietnam Veterans of Vietnam Veterans of America Foundation (VVAF) in 1980.