What if we lost GPS? That's one thing worrying the Air Force secretary
Space has become an increasingly important area of operations for commercial industry and the U.S. military.
Plummeting launch costs and the miniaturization of powerful technology have encouraged more countries and companies to venture into space, making it a "common domain for human endeavor," said Air Force Secretary Heather Wilson. On the ground, industries have risen around the use of GPS, or Global Positioning System, the space-based navigational system pioneered by the U.S. military.
