Space Supremacy
This post combines a recurring Macroscope themes of "interstellar kewlness" and "fear of your shady government", all in one fell swoop.

Here's a very interesting article from Space.com about the plans of DARPA, the United States' Defense Advanced Research Projects Agency, and their mandate from Donald Rumsfeld to help extend America's air superiority up about several thousand kilometers into low Earth orbit. They're working on everything from long distance energy transmission for both industrial and offensive military purposes to drone starfighters to defend orbiting satellites.