Release Message:  A giant prehistoric praying mantis, recently freed from the Arctic ice, voraciously preys on American military at the DEW Line and works its way south. Starring Craig Stevens as Col. Joe Parkman.

Description:  The calving of an Arctic iceberg releases a giant praying mantis, trapped in suspended animation since prehistoric times. It first attacks military outposts to eat their occupants, then makes its way to the warmer latitudes of Washington and New York. A paleontologist works together with military units to try to kill it.