Shenzhou-22 Launch Delayed Due to Safety Concerns
Shenzhou-20 window crack found after Nov 5 debris impact.
Shenzhou-21 crew in Tiangong without lifeboat for three days.
Shenzhou-22 carries food, supplies, and equipment.
Chen Dong, Chen Zhongrui, and Wang Jie returned Nov 14 to Beijing.
Shenzhou-20 remains in orbit for experiments.
Launch timing depends on orbital phasing and weather.
2 months ago