Also never mind that an Earth computer can interact and upload a computer virus to an alien mother ship. Anyone ever tried to run microsoft on linux, yet human to non human computer works without an issue or a bug.
This is best viewed expecting the good guys (Americans) to prevail, unite and then save the planet from an alien invasion. I could keep going about the various issues with the story line, however sit back relax, eat some food and enjoy the action with the special effects.
This is closely followed by meteors changing course which turn out to be alien spacecraft. Once all the spacecraft are in place by the 3rd of July a number of capital cities are destroyed. Most of the remaining armed forces and a number of civilians head towards area 51. The next day humanity fights back, the cornerstone of the defence is ti disable the mother ship by giving it a computer virus.