|Mission type||ISS resupply|
|Berthing at ISS|
HTV-X1 is the first flight and the technical demonstration mission of HTV-X, an uncrewed expendable cargo spacecraft. As of February 2021[update], it is planned to be launched in JFY2022 to resupply International Space Station (ISS).
In addition to the primary mission to carry the resupply cargo to the ISS, HTV-X1 will carry following payloads: