HTV-X1 is the first flight and the technical demonstration mission of HTV-X, an uncrewed expendable cargo spacecraft. As of 2024, it is intended to be launched in 2025 to resupply the International Space Station (ISS).
Cargo
In addition to the primary mission of carrying the resupply cargo to the ISS, HTV-X1 will carry the following payloads:
- i-SEEP, an exposed experiment platform
- DELIGHT, a technology demonstration of lightweight expandable flat antenna
- Mt.FUJI, a technology demonstration for satellite laser ranging
- Microsatellites to be deployed from HTV-X1 after departure from ISS
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