Cut military spending by 90%, pocket 50% of it, and give the rest to NASA with a mandate to build an economical commercially viable shutlecraft and launch system that would permit daily launches and develop an orbital habitat capable of sustaining at least a quarter million civilians.
18.7 Billion for the entire agency? That's chump change. It's a joke. The military is getting around 711 Billion. Iraq and Afganistan alone are getting 170 Billion, and they're both substantially more hospitable than outer space is. They actually have atmospheres.