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. December 5, 2025 at 09:00 UTC · Launch Successful Kuaizhou 1A — ExPace, to Low Earth Orbit Launch Area 95A, Jiuquan Satellite Launch Center, People's Republic of China The world's 7140th orbital launch attempt, and 291st of 2025. Data: Launch Library 2, The Space Devs. Image by CASIC via The Space Devs.