Boeing has announced plans to add space tourism to its CST-100 -- or Crew Space Transportation-100-- low orbit flights by 2015. Operated by a partnership with Space Adventures, the flights will be able to carry up to seven passengers about 62 miles above Earth's surface, and the craft are currently being developed with the help of NASA.The vehicles could also be used as a ferry to get people to and from the various space habitats companies are working away at. There's no word on what the pricing of one of these journeys will look like, but trust us: Jared Leto will be