On June 5, 2023 at 19:10 UTC (on June 6 Beijing time), the Chinese “Tianzhou-5” unmanned supply spacecraft was docked to the forward docking port of the “Tianhe” core module of the Chinese “Tiangong” space station after more than a month of independent flying. The cargo spacecraft undocked from “Tiangong” on May 05, 2023 to leave room for its successor, “Tianzhou-6”. It had been flying freely for 33 days before the re-docking.