The Shenzhou-23 crew has taken over responsibilities for the Tiangong Space Station from the Shenzhou-21 crew.
The Shenzhou-23 and Shenzhou-21 crews spent just under four days working together on Tiangong Space Station.
The outgoing Shenzhou-21 crew on Tiangong Space Station consisted of Zhang Lu, Wu Fei, and Zhang Hongzhang.
Tiangong Space Station returned to a permanent occupancy state of three taikonauts after the Shenzhou-21 crew left.
The Shenzhou-21 crew returned to Earth on May 29 after a seven-month stay on Tiangong Space Station.
The Shenzhou-23 crew spent about three days working with the Shenzhou-21 crew before taking over the station on May 28.
Zhang Hongzhang is the payload expert for Shenzhou-21 and is making his first trip to space.
Wu Fei is the flight engineer for Shenzhou-21 and is making his first trip to space.
The Shenzhou-20 crew returned to Earth on the Shenzhou-21 spacecraft.
The Shenzhou-23 crew will work with Shenzhou-21 crew members Zhang Lu, Wu Fei, and Zhang Hongzhang during a week-long handover period before the Shenzhou-21 crew returns to Earth.
The Shenzhou-21 crew has been in space since October 31, 2025.
The Shenzhou-23 crew will relieve the Shenzhou-21 crew during the first week of the mission.
Zhang Lu is the commander and pilot of Shenzhou-21 for his second spaceflight.
Shenzhou-21 taikonauts Zhang Lu, Wu Fei, and Zhang Hongzhang opened the Tianhe module and Tianzhou-10 hatches a few hours after docking to unload cargo.
Zhang Hongzhang is the payload expert for Shenzhou-21 and is on his first spaceflight.
Wu Fei is the flight engineer for Shenzhou-21 and is on his first spaceflight.
The Shenzhou-21 crew has been in orbit for nearly 200 days.
The Tianzhou-10 cargo included crew consumables such as food, water, and clothing for the Shenzhou-21, Shenzhou-23, and Shenzhou-24 crews.
The Shenzhou-21 crew consists of Zhang Lu, Wu Fei, and Zhang Hongzhang.
The Shenzhou-21 crew is conducting rendezvous and docking training using the remotely operated rendezvous and docking system and translation and attitude control handles.