美国航宇局签发可复用运载器研究合同美国航宇局已与一些公司签订了１６项非盈利性的“合作协议”，以开发各种可重复使用运载器技术，从而揭开了下一代运载器研制工作的序幕。政府和工业界官员都希望最终研制出的这种新一代运载器将会大大降低成本，并使美国重塑其运载工... U.S. Aerospace Administration Issues Reusable Carrier Research Contracts The U.S. Aeronautics and Space Administration has signed 16 non-profit “cooperation agreements” with some companies to develop a variety of reusable carrier technologies, thus unveiling the next generation. The prelude to the development of the vehicle. Both government and industry officials hope that this new generation of vehicles will eventually be developed will greatly reduce the cost and make the United States to rebuild its carrier ...