[SamAdams76]

Imagine if we had these capabilities during World War Two. We would have defeated Nazi Germany and Imperial Japan in about a week or so.

[Skywalk]

I've often said that, assuming there were bases to harbor, fuel, arm and maintain them, one could have RULED THE ENTIRE WORLD(at least through proxy governments) with ONE Apache, ONE Aircraft carrier(complete with craft), one battleship and ONE B-52 if they were teleported back to 1400.

Not only would fear of a seemingly supernatural foe cow most nations and their armies, but being completely and utterly annihilated within a few hours would end all submission.

Of course, the same concept applies to an Independence Day invasion by aliens. With even a 100 year gap in technology, there would be little way to defeat them despite the movie's ending.