It was constructed on the existing Robert Gray AFB to provide radar protection for the Fort Hood area.

The 814th Aircraft Control and Warning Squadron was moved to Killeen AFS on 14 February 1957.

As a GCI station, the squadron's role was to guide interceptor aircraft toward unidentified intruders picked up on the unit's radar scopes.

The circular concrete foundation for the AN/FPS-20A search radar tower is clearly visible in aerial imagery.

This article incorporates public domain material from the Air Force Historical Research Agency