Shenzhou‑21 crew conducts eight‑hour EVA to inspect debris‑damaged Shenzhou‑20; vehicle judged unfit for reentry
China's Shenzhou‑21 crew carried out an eight‑hour spacewalk to inspect debris damage to the previously launched Shenzhou‑20 spacecraft, photographing a struck viewport that led authorities to declare the vehicle unfit for reentry. Taikonauts Zhang Lu and Wu Fei performed the EVA while Zhang Hongzhang supported from inside Tianhe.