Japan successfully completed its first mission with its H3 rocket since a launch failure last year resulted in the loss of a ...

Japan’s H3 rocket lifted off for its seventh mission on Sunday, but an engine failure foiled its attempt to insert a navigation satellite in geostationary orbit. Japan Aerospace Exploration Agency ...

The LE-9 engine is the main engine of the H3 Launch Vehicle. The H3's engine needs greater thrust than any other liquid rocket engines ever developed by Japan. To realize this highthrust, ...

The hydrogen-fueled engine powering the initial launch of the $1.5 billion H3 rocket in Japan worked flawlessly. But it was a more traditional second-stage engine failure after takeoff that doomed the ...

Japan’s ambitions for an independent satellite navigation system suffered a significant blow this week after the second major failure of its flagship H3 rocket. The rocket, which was carrying the ...