H3 • Martian Moons eXploration (MMX)

An H3 launch vehicle, a rocket developed through a partnership between Mitsubishi Heavy Industries and JAXA (Japan Aerospace Exploration Agency), will launch the Martian Moons eXplorer (MMX) mission to survey the Martian moons, Phobos and Deimos. This is set to be the first sample return mission from the Martian sphere of influence with the samples from Phobos expected to return to Earth in fiscal year 2031. The mission is supported by NASA, CNES, DLR, and ESA.