For about a week examining the huge eightkilometer site of Virgin Galactics spaceship disaster. The National Transportation safety board says fridays flight was heavily documented with six cameras aboard the experimental craft when it suddenly broke apart high above the desert and crashed killing one pilot, injuring the other. Still, the agency says it could actually take one year before its investigation is complete. Virgin galactic founder Richard Branson says the dream lives on and met with reporters saturday. Heres some of what branson said. We are determined to find out what went wrong and were working with the authorities to get that information. It is too early for me to add any details of the investigation at this stage. Weve always known that commercial space travel is an incredibly hard project. Weve been undertaking a comprehensive Testing Program for many years and safety has always been our number one priority. This is the biggest test program ever carried out in commercia