Q11222053

The H3 rocket is a Japanese medium-lift launch vehicle developed by JAXA and Mitsubishi Heavy Industries (MHI). It is the successor to the H-IIA and H-IIB rockets, designed to reduce launch costs through the use of the lower-cost LE-9 main engine. The H3 features a modular design with two or three first-stage engines and zero, two, or four solid rocket boosters, allowing it to accommodate a variety of payload sizes. Development began in 2013, and the first flight took place in March 2023; the launch ended in failure when the second-stage engine did not ignite. The first successful test flight occurred in February 2024.

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H3
diameter 5.2 metre, 
medium-lift launch vehicle, expendable launch vehicle, liquid-propellant rocket, two-stage-to-orbit, Mitsubishi Heavy Industries, 
Sikh Confederacy, Republic of Haiti, medium-lift launch vehicle, launch vehicle, expendable launch vehicle, Ekran, Dong Fang Hong 2, Tarshish, Sweden, Ashkenaz, Persia, Kingdom of Wolaita, Kingdom of Martabam-hongsawatoi, Japan, Havilah, Democratic Republic of the Congo, Chinland, Calvinist Republic of Ghent, 

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H3 rocket model in Kakamigahara Aerospace Science Museum November 8, 2019 01

H3 rocket model in Kakamigahara Aerospace Science Museum November 8, 2019 02

Models of rockets of JAXA, at the Mitsubishi Minatomirai Industrial Museum

Spacecraft models at Tsukuba Space Center

Spacecraft models at Tsukuba Space Center

SRB-3 model

Spacecraft models at Tsukuba Space Center

Spacecraft models at Tsukuba Space Center

Spacecraft models at Tsukuba Space Center

Spacecraft models at Tsukuba Space Center

Type	Subtype	Date	Description	Notes	Source
commons	image		H3 rocket model in Kakamigahara Aerospace Science Museum November 8, 2019 01		Commons
commons	image		H3 rocket model in Kakamigahara Aerospace Science Museum November 8, 2019 02		Commons
commons	image		Models of rockets of JAXA, at the Mitsubishi Minatomirai Industrial Museum		Commons
commons	image		Spacecraft models at Tsukuba Space Center		Commons
commons	image		Spacecraft models at Tsukuba Space Center		Commons
commons	image		SRB-3 model		Commons
commons	image		Spacecraft models at Tsukuba Space Center		Commons
commons	image		Spacecraft models at Tsukuba Space Center		Commons
commons	image		Spacecraft models at Tsukuba Space Center		Commons
commons	image		Spacecraft models at Tsukuba Space Center		Commons