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S-type Sounding Rocket S-310 S-520 SS-520 The S-type sounding rockets include S-210, S-310, S-520　and SS-520 which are used for scientific observation at altitudes of 110km, 190km, 350km and 1000km respectively. The S-210 and S-310 sounding rockets are also playing an active part in aurora observation in Antarctic exploration (S-210JA, S-310JA). The S-520 rocket is used for recovery experiments and the SS-520 rocket is used for observations of the magnetosphere over Norway.

MT-135 / MT-135P Meteorological Sounding Rocket MT-135 Meteorological Sounding Rocket Developed as an upper atmosphere observation rocket, an MT-135P meteorological sounding rocket was launched on a weekly basis by the Japan Meteorological Agency's meteorological observational station at Ryori on Japan's northeast coast. The observation lasted for 30 years ending with the last rocket No. 1119 launched on March 21, 2001. The acquired weather data was supplied worldwide through the World Meteorological Organization (WMO) and used to improve weather forecast precision with the observed data from the meteorological satellite `Himawari.'

TR-IA Rocket JAXA's TR-ⅠA rocket is a single small rocket for microgravity experiment prepared for actual space environment use. This rocket offers a micro gravity environment for 6 minutes for on-board experimental equipment that weighs about 750kg and provides a micro gravity and vacuum environment for experiment in various fields. For the seven rockets, we were responsible for the development and production of the rockets, the overall integration of the experimental equipment that was placed on the rockets, and for six of the ten experimental equipments (fluid physics experiment device, observation technology experiment device, general-purpose heating device, thermal gradient-type heating device, combustion phenomenon experiment device, and multi-purpose combustion furnace).

M-Ⅴ Rocket JAXA's M-V launch vehicle is the world's largest class of three stage solid-propellant launch vehicle, with a diameter of 2.51m. It is capable of launching a 1.8 ton satellite into low orbit. The plan is for new development of all of stages for simplification of the body structure. In February of 1997, the first M-V was launched. From 1997 to 2006 7 M-V launch vehicles were launched. IHI Aerospace was responsible for the development and manufacture of M-V launch vehicle.

Epsilon Launch Vehicle IHI Aerospace is assisting JAXA in the design of the next generation solid propellant launch vehicle, utilizing further evolving the technologies that we developed in the manufacture and operation of the M-V rocket and solid rocket booster(SRB-A) for the H-IIA. The next generation solid propellant launch vehicle is a 3-stage solid lauch vehicle being developed to provide a more reliable, more responsive space-launch system with a lower life-cycle cost for various small satellte customers.

H-IIA/H-ⅡB H-IIA H-ⅡB JAXA has developed the H-ⅡA rocket, first launched in August 2001, a further advanced version of the H-Ⅱrocket. H-ⅡA rocket gives importance to acquiring international competitive strength in the market for launching commercial satellites in the world, and incorporates a number of improvements over the previous model. Subsequent to the H-Ⅱ rocket, IHI Aerospace is responsible for the development and manufacture of the solid rocket boosters (SRB-A), 2nd stage reaction control gasjets and the pyrotechnics for the H-ⅡA rocket. In addition, the motor case of the SRB-A rocket uses a method of production in which the conventional metal has been replaced by CFRP filament winding. H-ⅡB rocket , a further improved the launching capability of the H-ⅡA rocket , was launched in September 2009.

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