On December 26, 2021 Chinese cosmonauts Zhai Zhigang and Ye Guangfu performed the spacewalk to deploy the external camera platform "C" outside the core module and various object translation test objectives. The EVA lasted 6 hours and 11 minutes. It was the 3^rd spacewalk for Zhai Zhigang and the 1^st spacewalk for Ye Guangfu. The spacewalk was the 5^th extravehicular activity in the history of China’s space program.