Kuaizhou-1A | Traffic VDES A & B
Launch Successful
L - -- : -- : -- : --
Launch Window
Dec. 5, 2025, 8:54 a.m. - Dec. 5, 2025, 9:54 a.m.
Dec. 5, 2025, 8:54 a.m. - Dec. 5, 2025, 9:54 a.m.
Two technology demonstration satellites for satellite transmissions of signals for the VHF Data Exchange System (VDES), a successor to the current Automatic Identification System (AIS) on ships and maritime vessels for traffic management at sea with higher bandwidth on new frequencies for secure communications and e-navigation. This project is a joint effort by the China Ministry of Transport's China Transport Telecommunications Information Center and SpaceSail, operator of the Qianfan/G60 constellation.
Launch success.
Delayed to December 5 per new NOTAMs/marine navigation warnings.
Added launch per NOTAMs/marine navigation warnings; Payload and launch vehicle identities highly uncertain.
Kuaizhou is a family of Chinese "quick-reaction" orbital launch vehicles. Flying since 2013, Kuaizhou 1 and 1A consist of three solid-fueled rocket stages, with a liquid-fueled fourth stage as part of the satellite system.
ExPace is a Chinese space rocket company based in Wuhan, Hubei, China. It is a wholly owned subsidiary of missileer China Aerospace Science and Industry Corporation (CASIC), a Chinese state-owned company, and serves as its commercial rocket division. ExPace is focused on small satellite launchers to low Earth orbit.
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