Space architecture of space and a space transportation infrastructure can be accelerated. Virgin Galactic has indicated plans for an orbital craft, SpaceShipThree. The demand for space tourism is one without bound. It is not difficult to imagine lunar parks or cruises by Venus. Another impetus to become a spacefaring species is planetary defense. The classic space mission is the Earth-colliding asteroid interception mission. Using nuclear detonations to split or deflect the asteroid is risky at best. Such a tactic could actually make the problem worse by increasing the amount of asteroid fragments that do end up hitting the Earth. Robert Zubrin writes:
Southeast Tourism Society Southeast Tourism Society "The Southeast Tourism Society" (STS), is a non-profit membership organization promoting tourism within the 12 Southeastern member states by sharing resources, fostering cooperation, networking, providing continuing education, cooperative marketing, consumer outreach, advice & consultation, governmental affairs and other programs. Southeast Tourism Society works with and for business-to-business and business-to-consumer companies with an interest in travel & tourism as a business. Membership is open to any organization within the travel & tourism industry – attractions, destinations, associations, lodging and a wide range of service providers from printing to marketing, public relations to travel writers. Membership is focused on