Some patches that where given to Australian singer Yvonne Barrett by US servicemen on her tours entertaining troops in Vietnam in 1965 and 1968. 82nd Medical Detachment Helicopter Ambulance patch US Army 544th Cargo Helicopter Field Maintenance unit patch US Army 114th Assault Helicopter Company 219th Aviation Company (Reconnaissance) US Army badge US Air Force 315th Air Commando Group patch Nui Dat, South Vietnam. 1968-07. Private Noel Pinch of Ryde, NSW, a member of 161st Independent Reconnaissance Flight, pours a drink of Fosters Lager beer for Melbourne singer, Yvonne Barrett after a concert at the 1st Australian Task Force (1ATF) Base. Nui Dat, South Vietnam. 1968 Yvonne Barrett of Melbourne, Vic, on stage singing for soldiers in the amphitheatre at the 1st Australian Task Force (1ATF) Bien Hoa, Vietnam. 1965 2nd Lieutenant Kevin Lunny of Grovelly, Qld, and 1st Battalion, The Royal Australian Regiment (1RAR), with two Melbourne TV personalities and singers Pat Carroll (left) and Yvonne Barrett.