正版：Virgin Galactic has announced that it will begin commercial space operations later this month, ending a challenging 19-year journey that has been plagued by accidents and technical challenges. The company said on June 15 that the first commercial flight will take place between June 27 and June 30, with three members from the Italian Air Force and the Italian National Research Council conducting microgravity experiments at the edge of space. The company said that the next flight is scheduled for early August, with subsequent launches taking place monthly.