NASA已决定取消其航空高速研究计划，以便把挤出来的6亿美元用于今后5年国际航天站的研究，支持在该项目中需要增资20亿美元、而目前处于摇摇欲坠的俄罗斯航天局。NASA之所以作出此决定，是因为波音公司已从国际航天站计划中撤出。NASA取消高速航空飞行器研究@伟业 NASA has decided to scrap its high-speed aeronautical research program in order to use the $ 600 million it squeezes out for its international space station research over the next five years, supporting the need for an additional $ 2 billion in funding for the project, which is currently on the crumbling Russian space agency. NASA made the decision because Boeing has withdrawn from the International Space Station program. NASA Cancels High Speed ​​Aircraft Research