Japan's JAXA tests reusable rocket as China, SpaceX race accelerates

Japan's prototype reusable rocket test marks a critical moment in the country's efforts to remain competitive in space launch technology. While SpaceX has dominated the reusable rocket sector since 2017, the arrival of China's successful landing on Friday—just before Japan's test—underscores the speed at which global competition is intensifying. For Japan, the stakes are both technical and economic: the first stage of a traditional rocket is the most expensive component, and recovering and reusing it could slash launch costs substantially, making Japan's space industry more attractive to commercial and government customers.

JAXA's test follows a significant breakthrough by a Honda subsidiary in June of last year, demonstrating that Japanese companies have the capability to execute reusable landings. However, Japan's broader rocket program has faced setbacks—the H3 rocket's June launch succeeded after a prior mission to put a satellite into orbit failed. JAXA's confidence in the data collected from this 40-second test, despite its brevity, suggests the agency views it as a stepping stone rather than a final product. The agency's plan to review the data carefully indicates the next phase will focus on validating the reusable design's reliability before moving toward operational missions.