At about 9:00 a.m. on December 13, Yuanwang 7, returning from Yuanhang, finished its 55 day voyage and docked at the wharf of China Satellite Maritime Measurement and Control Department. The voyage of Yuanwang 7 reached more than 10000 nautical miles and spanned four time zones. During the mission, they overcame difficulties such as high work intensity and independent task execution by a single ship, insisted on gathering all human, material and energy to the task, and ensured high quality and efficiency in marine meteorology, ship power, network communication, water, electricity and air conditioning, ensuring the absolute safety of the voyage and the complete success of the task of measurement and control. After Yuanwang No. 7 docked at the wharf, the crew will be arranged to rest and study for further education, and carry out equipment patrol inspection, so as to ensure better completion of the follow-up space measurement and control tasks. (Outlook New Times)