The Bell UH-1 Iroquois, often called the "Huey", is a multipurpose armed forces helicopter, was developed from 1955 united states of america Army studies with all the Bell Model 204. The first designation of HU-1 (helicopter energy) led to its nickname, Huey. It had been first employed by the armed forces in 1959 and went into tri-service production in 1962 simply because UH-1. Yesteryear were stated in 1976 with additional than 16,000 produced in total, which about 7,000 saw usage throughout the Vietnam War and fabled for its use within the Vietnam War.