Science JAXA successfully tests reusable rocket

U.S. company SpaceX has commercialised reusable rocket technology with its two-stage Falcon 9 rocket. JAXA said it will use the results of Saturday's test for the design of its Callisto reusable vehicle, being jointly developed with France and Germany. A flight test of the Callisto vehicle, which is equipped with the same engine as the RV-X, is scheduled before next April, with the aim of attempting a landing from a greater height than Saturday's test. According to JAXA, the RV-X measures around 7.3 meters in length and about 1.8 meters in diameter. It has four landing legs. Given that the H3 rocket, the country's mainstay space vehicle, can only be used once, Japan has been seeking to develop reusable technology to increase satellite launches while reducing costs. Last year, Honda R&D Co., a subsidiary of automaker Honda Motor Co., conducted a successful flight test of a reusable rocket, the first such test by Japan's private sector.

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