Major Dan Keller works as a computer programmer for NORAD. The aliens need a window to bring in a great many saucers, so they can establish a base. They place one of their own as Dan Keller's new wife Laurie. She hypnotises Dan into replacing a crucial programming tape with one the aliens have prepared - one which will instruct NORAD's systems to ignore certain images.
Did You Know?
The NORAD featured in this episode is an actual military command. The North American Air Defense Command was recommended by the Joint Canadian--U.S. Military Group in late 1956. The North American Air Defense Command was approved by the U.S. Joint Chiefs of Staff in February 1957. On October30, 1964 NORAD began manning the Combat Operations Center in the Cheyenne Mountain Complex outside of Colorado Springs, Colorado. See more
The back-up NORAD computer reveals the Invaders fleet flying over North America. The bank of 6 clocks read 8:21.5 - 1:21.5, then 8:22 - 1:22. The Invader fleet then disappears off the screen. The next shot of the clocks read 7:10 - 12:10. See more
A physician reports the death of a woman. Two hours later, her husband, a NORAD Major, reports her very much alive. The news accounts attracted no particular attention. But David Vincent knew that an alien, unconscious without pulse or heartbeat, might easily be mistaken for dead, even by a doctor. So he arranged to visit NORAD's Combat Operation's Center, 1,400 feet below Cheyenne Mountain and a natural target for the Invaders.