▁G CI ▁station , ▁the ▁squad ron ' s ▁role ▁was ▁to ▁guide ▁inter ceptor ▁aircraft ▁toward ▁un ident ified ▁intr ud ers ▁picked ▁up ▁on ▁the ▁unit ' s ▁rad ar ▁scop es . ▁ ▁In ▁addition ▁to ▁the ▁main ▁facility , ▁K ille en ▁operated ▁two ▁AN / F PS - 1 8 ▁G ap ▁F iller ▁sites ▁between ▁April ▁and ▁December ▁ 1 9 6 0 : ▁ ▁Schul enburg , ▁Texas ▁▁▁ ▁( TM - 1 9 2 B ): ▁▁ ▁Norm ange e , ▁Texas ▁▁▁▁▁ ▁( TM - 1 9 2 C ): ▁▁ ▁K ille en ▁was ▁in activ ated ▁ 1 ▁February ▁ 1 9 6 1 ▁due ▁to ▁budget ary ▁cut s . ▁ ▁Today ▁most ▁of ▁the ▁site ▁is ▁un used , ▁but ▁maintained ▁by ▁Fort ▁H ood ▁with ▁most ▁of ▁the ▁buildings ▁being ▁torn ▁down . ▁ ▁A ▁radio ▁tower ▁is ▁now ▁on ▁the ▁site . ▁The ▁circular ▁concrete ▁foundation ▁for ▁the ▁AN / F PS - 2 0 A ▁search ▁rad ar ▁tower ▁is ▁clearly ▁visible ▁in ▁aer ial ▁imag ery . ▁ ▁Air ▁Force ▁units ▁and ▁assign ments ▁ ▁Units ▁ ▁Const it uted ▁as ▁the ▁ 8 1 4 th ▁A ircraft ▁Control ▁and ▁Warning ▁Squadron ▁ ▁Activ ated ▁on ▁ 8 ▁May ▁ 1 9 5 6 ▁at ▁Oklahoma ▁City ▁A FS , ▁OK ▁( not ▁man ned ▁or ▁equ ipped ) ▁ ▁M oved ▁to ▁K ille en ▁A FS ▁on ▁ 1 4 ▁February ▁ 1