The 161 (Independent) Reconnaissance Flight was an Australian Army aviation unit. Formed in 1965 during the Vietnam War, in September that year the flight deployed to South Vietnam with two Cessna 180s and two Sioux light obersvation helicopters in order to support the 1st Battalion, Royal Australian Regiment based at Bien Hoa airbase. Following the expansion of the Australian commitment, the flight continued to serve in this role as part of the 1st Australian Task Force, with an englarged established and expanded responsibilities, operating out of Vung Tau and Nui Dat until the end of 1971 when it was withdrawn to Australia.