Even the picture theater""s closed.Twice a day, the train to Chicago pulled into and out of the town""s station (with blasts of its horn) - a tenuous lifeline o civilization.Some of it was filmed against a greenscreen with a rig of cameras shooting at 12,000 frames per second.The plot of his low-budget film was a timely one - it capitalized on the problems America was having with missile launches, and the changing mood of he country in the early 1960""s.Not to mention one or two other less savory items of publicity before we got that so-called epic in the can.