July 6 , 2025
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- Japan successfully launched the 50th and last H-2A rocket recently.
- The rocket carried the Greenhouse Gas and Water Cycle Observation Satellite (GOSAT-GW) into space.
- GOSAT-GW will monitor greenhouse gases and sea surface temperatures to study climate change.
- The H-2A rocket was built by the Mitsubishi Heavy Industries for the Japan Aerospace Exploration Agency (JAXA).
- Since its first launch in 2001, H-2A had a 98% success rate with only one failure.
- The rocket was capable of the missions to geostationary orbit, lunar orbit, and interplanetary missions like the 2010 Akatsuki Venus probe.
- After 50 missions, H-2A is retired and will be replaced by the more cost-efficient H3 rocket.

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