Japanese Startup Rocket Launch Fails Again as Kairos No. 3 Aborts Mission
The Japanese commercial space enterprise Space made a third attempt. One’s attempt to launch its Kairos rocket was unsuccessful since the flight was canceled soon after takeoff. For Japan’s burgeoning commercial space industry, which hopes to compete in the quickly expanding global small-satellite launch market, the tragedy represents yet another setback.
Kairos No. 3 Rocket Flight Ends After 68 Seconds
The Kairos No. 3 rocket lifted off at approximately 11:00 a.m. from Space Port Kii in Kushimoto, Wakayama Prefecture, located along Japan’s Pacific coastline. The 18-meter-long, 23-ton solid-fuel rocket climbed for 68.8 seconds, reaching an altitude of about 29 kilometers before its mission was abruptly terminated.
According to the company, the rocket’s autonomous flight termination system may have triggered the self-destruct sequence, though officials have not yet confirmed the exact cause. The system is designed to safely destroy a rocket if it deviates from its planned trajectory or poses potential safety risks.
Despite the dramatic end to the launch, no casualties or property damage have been reported by local authorities.
Mission Was Carrying Multiple Satellites
The Kairos No. 3 mission was intended to place five small satellites into orbit. These payloads belonged to several organizations, including the Taiwan Space Agency and multiple Japanese startups.
Small satellite launches have become an increasingly competitive market as companies worldwide seek affordable and frequent access to space for Earth observation, communication, and scientific missions.
However, the mission was terminated when engineers determined that continuing the flight would make it too difficult to complete the intended orbital insertion.
Third Attempt Adds to Launch Challenges
This launch attempt follows two previous failures for the Tokyo-based startup. In March 2024, the Kairos No. 1 rocket exploded shortly after launch. The Kairos No. 2 rocket also failed when its flight was terminated before reaching orbit.
The third rocket had originally been scheduled for February 2026, but the launch faced three postponements, largely due to unfavorable weather conditions.
Despite these setbacks, Space One President Masakazu Toyoda emphasized that the company is still gaining valuable experience.
“I apologize from the bottom of my heart for not achieving the mission,” Toyoda said during a press conference, adding that the attempt should not be viewed as a complete failure because it contributes to future improvements.
Ambitious Plans for Japan’s Commercial Space Industry
Founded in 2018, Space One was created by major Japanese companies including Canon Electronics and IHI Aerospace. The company’s goal is to commercialize space delivery services by providing frequent, low-cost rocket launches.
The startup hopes to eventually conduct around 20 launches per year in the late 2020s, increasing to 30 annual missions in the 2030s.
While the latest failure highlights the technical challenges of building a reliable launch system, Space One remains determined to become Japan’s first private company to successfully place a satellite into orbit.
As the commercial space race intensifies worldwide, the lessons learned from Kairos No. 3 could play a crucial role in shaping Japan’s future role in the private launch industry.
