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麦道和波音等将竞争Ｘ－３３合同美麦道公司和波音公司已决定联合竞争美国航宇局的Ｘ－３３试验性单级入轨飞行器研制合同。如能得手，这两家公司将把他们在航天运载工具及商业运输机方面的专长运用到美国新型低成本可重复使用运载器的研制工作中。美国航宇局准备在去年年...
The McDonnell Douglas and Boeing will compete for the X-33 contract. The U.S.-McDonnell Douglas and Boeing have decided to jointly compete with NASA’s X-33 experimental single-stage orbiter development contract. If they can, the two companies will apply their expertise in spacecraft and commercial transport to the development of new low-cost reusable carriers in the United States. NASA ready last year ...