H3 • QZS-5

October 8, 2025 Will Robinson-Smith

An H3 launch vehicle, a rocket developed through a partnership between Mitsubishi Heavy Industries and JAXA (Japan Aerospace Exploration Agency), will launch the Michibiki No. 5, Quasi-Zenith Satellite System (QZS-5). This will be the eighth launch of an H3 rocket. Delayed from Dec. 6/7 “due to the occurrence of a need to check onboard equipment on the second stage.”