Shenzhou 23 (Chinese: 神舟二十三号; pinyin: Shénzhōu èrshísān-hào; lit. 'Divine Boat Number 23') Shenzhou 23 is an ongoing Chinese spaceflight to transport three taikonauts on a Shenzhou spacecraft to and from the Tiangong space station. The mission is the 17th crewed Chinese spaceflight and the 23rd flight overall of the Shenzhou program. Approximately 4” Diameter Woven Patch