Space arms race. >> weapons are a last resort from the u.s. perspective. we prefer the domain to remain free of conflict. but like any other domain, air, land, sea and now space, we'll be ready to protect and defend. >> adversaries have attempted to use space weapons to temporarily disable u.s. satellites. space war is not science fiction, but a battle already underway. these weapons, they're already floating around above our meds. in some cases thousands of miles above our heads. not just ckamikaze satellites, but laser space as well. that's what space force is being stood up for. a big a...