O-1 Bird Dogs were lost to all causes. 284 of these were lost by the Army. The Army Ground Forces Air Training School (later designated the Army Aviation School) was established at Post Field on Dec 7th, 1945. In Oct. 1948, pilot training for helicopters H25 and H13 began. The first warrant officer class began in 1951. The AGF Air Training School was transferred to Fort Rucker in 1954, but Post Field still had an assortment of helicopter units that called it home. By the early 1960s, the 34th Artillery Brigade was supervising the post's increased number of artillery battalions. The brigade was tasked to "support with cannon artillery the requirements of the Artillery and Missile School." In 1963 the 1st Aerial Artillery Group (Provisional) was organized to test equipping CH-34 helicopters with rocket pods attached to each side. The rockets converted a transport aircraft, an easy target in most combat situations, into a sophisticated flying weapon capable of direct or indirect fires. It was the ancestor to the Cheyenne and Long Bow attack helicopters of today. The 295th Aviation Company. (Heavy Helicopter) was established at Fort Sill in the 60s. The unit was assigned ten Skycrane CH-54A helicopters. The unit also had a UH-1H administrative aircraft and later an OH-58 joined the unit. It was the mother company to the 355th Aviation Company (that deployed to Vietnam in 1968–69) and the 273rd Aviation Company (that deployed to Vietnam 1967–1968.) In Dec. 1969, the unit was deployed to Finthen Army Airfield near Mainz, Germany. Today, the company is designated F Company, 159th Aviation Regiment (Heavy Lift Helicopter Company) and is equipped with CH-47 Chinooks. Post Field is the oldest continually operating airfield in the U.S. Army. Former marine biologist Stephen Hillenburg was born at Fort Sill in 1961. As an animator, he went on to become creator of the long-running children's animated television series SpongeBob SquarePants, until his death on November 26th, 2018. Artillery Half Section Fort Sill's Artillery Half Section is a mounted unit that re-creates the World War I-era field artillery and horse-drawn field guns. Sgt. Dustin D. Biven (March 4, 2020) Soldier uses military training to save the life of someone in need The Artillery Half Section is Fort Sill's equine Army special ceremonies unit. The half section is typically manned by eight soldiers and eight horses. The half section is frequently requested to demonstrate their apparatus