On July 2, a giant alien mothership enters orbit around Earth and deploys several dozen saucer-shaped "destroyer" spacecraft that quickly lay waste to major cities around the planet. On July 3, the United States conducts a coordinated counterattack that fails. On July 4 the a plan is devised to gain access to the interior of the alien mothership in space in order to plant a nuclear missile.

The Puppet Masters is a 1994 science fiction film adapted from Robert A. Heinlein’s novel of the same title. The Earth is invaded by alien parasites aka "slugs" that ride on people's backs and control their minds. A trio of American government agents attempt to thwart this.

A drifter discovers a pair of sunglasses that allow him to wake up to the fact that aliens have taken over the Earth.

H.G. Well's classic novel is brought to life is this tale of alien invasion. The residents of a small town are excited when a flaming meteor lands in the hills. Their joy is tempered some what when they discover it has passengers who are not very friendly. The movie itself is understood better when you consider it was made at the height of the Cold War - just replace Martian with Russian.