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Launch Detail
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Launch detail
National Space Development Agency of Japan • N-I • Osaki Launch Complex (JP-46)
National Space Development Agency of Japan • N-I • Osaki Launch Complex
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Japanese ionospheric research satellite
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Japanese ionospheric research satellite
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Japanese ionospheric research satellite
The N-I or N-1 was a derivative of the American Thor-Delta rocket, produced under licence in Japan. It used a Thor-ELT first stage, a Mitsubishi Heavy Industries-designed LE-3 engine was used as a second stage, and three Castor SRMs. Seven were launched between 1975 and 1982, before it was replaced by the N-II.
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