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GOSAT-GW (nicknamed “IBUKI GW”) was launched successfully from the Tanegashima Space Center in Kagoshima Prefecture on the H-IIA Launch Vehicle No. 50 at 1:33 a.m. on June 29, 2025 (JST), marking the final flight of the H-IIA.
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Photos by Seiji Narita (Public Relations Office, NIES)

News conference before the launch (June 27, 2025)
Dr. Hiroshi Tanimoto, Director of the Earth System Division, NIES attended the news conference.

The nickname of the satellite, “IBUKI GW” was unveiled.

Large rocket launch complex at the Tanegashima Space Center.

The H-IIA rocket was being transported to the launch pad.

GOSAT-GW was launched at 1:33 a.m. on June 29, 2025 (JST).

The solid rocket boosters were separated successfully.

News conference following the launch (June 29, 2025)

Movie 1: H-IIA rocket moving from the assembly building to the launch pad (time lapse)

Movie 2: GOSAT-GW launch (1:33 a.m., June 29, 2025, JST)

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