Watch China catch its first rocket booster — in a net

China flew and then recovered a new Long March rocket booster, a first for the country and a key step toward cheaper, reusable spaceflight.China's state-run Xinhua news agency reported Friday that the Long March-10B rocket lifted off from Hainan Province and placed whatever it was carrying — the announcement did not say — into orbit on its debut flight. After the upper part of the rocket continued toward space, the booster — the powerful first stage that does the heavy lifting