NASA has given its seal of approval (and a lot of money) to SpaceX and three other private companies, as part of its Commercial Crew Development (CCDev2) initiative -- a program designed to spur the development of U.S. commercial spaceflight. The agency awarded a total of $270 million to the four lucky winners, with Boeing receiving $92.3 million to help develop its CST-100 capsule design, and the Sierra Nevada Corporation garnering $80 million, which will go toward its shuttle-like Dream Chaser craft. The smallest prize ($22 million) went to Jeff
