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HTV-X3

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Source updated April 2, 2026

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.

01Payload

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

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This article is adapted from the Wikipedia article “HTV-X3”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.

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