
Japan’s H-IIA Rocket Retires after 50th Launch with GOSAT-GW Climate Satellite
Japan successfully launched its GOSAT-GW (Ibuki GW) greenhouse-gas and water-cycle observation satellite on the H-IIA’s 50th and final mission, capping two decades of service for the workhorse launcher. The retirement paves the way for the more cost-competitive H3 vehicle, set to debut later this year.