Advertised as XTRO: WATCH THE SKIES, this cross between an alien horror film and a government cover-up thriller remains Earthbound in more ways than one.
Lt. Kirn (Sal Landi) meets with a reporter in a motel room and relates his story: He and a small group of soldiers were recently assigned to dispose of live ammo stored on a remote island that is now being used as a refueling station. There the team discovers human bones, an aged, raving wildman
(Virgil Frye), and a large concrete bunker. Investigating the structure, one of the soldiers disappears, and is later found dead.
More members of the group are found murdered, and the source is soon discovered: a da...