 In 1971, the RF-101Hs were replaced by RF-101B Voodoos that were re-manufactured after serving in the Canadian Air Force.However, unlike the F-101Hs, the "B" model was extremely expensive to operate in the field, requiring several costly and time-consuming fixes in order to maintain an acceptable operating standard.The career of the RF-101B with the Nevada ANG was relatively brief, giving way to the RF-4C Phantom II in 1975.