H-IIB 304 – Mitsubishi Heavy Industries

• Family: H-II
• Length: 56.6 m
• Diameter: 5.2 m
• Launch Mass: 551 T
• Low Earth Orbit Capacity: 16500 kg

The H-IIB 304, manufactured by Mitsubishi Heavy Industries established in 1884, undertook its inaugural launch on 09/10/2009. Notably, H-IIB 304 has 9 successful launches and 0 failed attempts, with a cumulative tally of 9 launches, currently with 0 pending launches in the pipeline.

H-IIB (H2B) is an expendable launch system used to launch H-II Transfer Vehicles (HTV, or Kounotori) towards the International Space Station. H-IIB rockets are liquid-fuelled with solid-fuel strap-on boosters and are launched from the Tanegashima Space Center in Japan. Mitsubishi and JAXA have been primarily responsible for design, manufacture, and operation of H-IIB.