HTV-X3

HTV-X3 is the third flight of HTV-X, an uncrewed expendable cargo spacecraft to resupply International Space Station. It is planned to be launched in JFY2026.

Payload

In its unpressurised cargo section, HTV-X3 carries Multi-layer Acoustic & Conductive-grid Sensor, a technology demonstration of millimeter-sized orbital debris detection, co-developed by NASA and JAXA.