There were intensive discussions throughout the nine meetings of the future space transportation system committee to define the basic mid- to long-range R&D scenario for a Japanese space transportation system. R&D on a first-stage air-breathing booster and a second-stage rocket orbiter as components of the two-stage Spaceplane transport system are extremely important, and this will proceed through efficient implementation of this plan. It is also necessary to establish new cooperation schemes, including universities, research institutes and industry, with ISAS, NAL and NASDA as the core for the efficient promotion of R&D.
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