Alien Invasion was released in the year 1969。Alien Invasion is also called as The Body Stealers, Thin Air, Out of Thin Air, Loch im Himmel, Invasion of the Body Stealers, Invasion der Aliens, Galaxy horror anno 2001。

A British military paratrooper disappears in mid-air during a jump from an army plane. Two investigators, Patrick Allen and Neil Connery, try to unravel how this happened. What they uncover is an alien plot to steal the bodies of earthlings by snatching them out of the air.