After Nearly a Decade in Development, Japan's New Rocket Fails in Debut

The launch of Japan's H3 rocket on Tuesday morning, local time in Tanegashima, failed after the vehicle's second-stage engine did not ignite. From a report: In a terse statement on the failure, Japanese space agency JAXA said, "A destruct command has been transmitted to H3 around 10:52 am (Japan Standard Time), because there was no possibility of achieving the mission. We are confirming the situation." The Japanese space agency, in concert with the rocket's manufacturer, Mitsubishi Heavy Industries, has spent about $1.5 billion developing the H3 rocket over the last decade. Much of the challenge in building the new rocket involved development of a new LE-9 engine, which is fueled by liquid hydrogen and liquid oxygen, to power the first stage. This appeared to perform flawlessly. The second-stage engine that failed, the LE-5B, was a more established engine. The country has sought to increase its share of the commercial launch market by building a lower-cost alternative to its older H2-A vehicle to more effectively compete with SpaceX's Falcon 9 booster. Mitsubishi's goal was to sell the H3 at $51 million per launch in its base configuration. This would allow the company to supplement its launches of institutional missions for the Japanese government with commercial satellites. Tuesday's debut flight of the H3 rocket carried the Advanced Land Observing Satellite-3 for the Japanese government. It was lost. Japanese officials expressed dissatisfaction after the rocket's failure. Japan's minister of Education, Culture, Sports, Science, and Technology Science, Keiko Nagaoka, said the launch failure was "extremely regrettable." She added that a task force would work with JAXA to "promptly and thoroughly" determine what caused the failure.

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