Long before the Vietnam conflict had ended, the “Huey” (its original Army designation was HU-1A, for Helicopter, Utility, Model 1A ... school of warfare, with gunships escorting troop carriers ...

During America's involvement in Vietnam, it was discovered that adding firepower to a Bell UH-1 Iroquois or "Huey" helicopter, creating an aerial gunship ... the Sikorsky model on Nov. 3, 1965.

Thousands of Huey pilots started with the Hiller OH-23 at Texas' Fort Wolters primary helicopter school. Students at Fort Wolters learned helicopter basics on three models, including the Hiller OH ...