Japanese space startup Space One had to abort its second rocket launch attempt on Wednesday, just minutes after liftoff. This setback comes nine months after its inaugural attempt ended in failure.

The Kairos No. 2 rocket, which launched from Wakayama Prefecture in central Japan, was carrying five small satellites, including one from Taiwan's space agency and several from Japanese startups. Despite successfully lifting off, the flight was halted after the company determined the mission could not be completed. The cause of the failure remains unclear, with more details expected to be shared during a news conference later in the day.

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Space One, established in 2018, aims to become Japan's first private company to successfully place a satellite into orbit. It seeks to revitalize Japan’s space industry with affordable, small-rocket space transportation services. The company has ambitious plans for up to 20 launches annually, significantly exceeding the six launches currently planned by Japan's government-led programs.

Wednesday's attempt followed two weather-related delays over the weekend and came after the company's March debut ended with an intentional explosion just five seconds after takeoff due to a propulsion miscalculation in the rocket's first stage. That flight carried a government satellite intended for monitoring North Korean missile activities.

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Japan’s space programs are currently spearheaded by the Japan Aerospace Exploration Agency (JAXA) and industry giants such as Mitsubishi Heavy Industries and IHI. Their flagship rockets, the H3 and Epsilon, are tailored for the growing satellite transport market. However, the government hopes Space One can help the nation compete with global players like the United States in space technology and services.

The Tokyo-based startup has received investments from leading Japanese companies, including Canon Electronics, Shimizu, IHI, and major banks, aiming to commercialize low-cost space delivery services.