11月2日傍晚，搜救回收地面搜救力量搜索车、通信车、指挥车、医监医救车、处置车等上百台车辆装备，分多路向待命点机动。 央视网消息：按计划，神舟二十号、二十一号两个航天员乘组完成在轨轮换后，神舟二十号乘组将于近日择机返回东风着陆 场。11月2日晚，着陆场区组织所有搜救力量，展开最后一次全系统综合演练，做好迎接航天员回家的准备。 北京中心通报返回舱落点坐标后，搜救回收空中分队5架直升机迅速起飞升空，奔赴落点空域，精准降落在返回舱周围后，立即按 程序进行相关处置。 针对冬季夜间搜救回收任务的特点，空中分队强化夜间搜索飞行训练，以及光电吊舱红外热成像操作训练。提前对返回舱着陆区域 进行勘察和网格划设，制定相应搜索营救飞行方法，以缩短空中辨认地形的时间，提升精准捕获目标的能力。 在演练现场，为了更好解决着陆场照明难题，这次任务中专门升级了无人机夜间照明系统，组建多机协同照明，让暗夜条件下搜救 行动更精准、更高效。 神舟二十号搜救回收任务空中分队董阳介绍，他们将预想的特殊情况进行了演练，很顺利、很成功，各要素配合顺畅，机组资源管 理运用得当，准备很充分。 神舟医疗救护队进驻着陆场以来，针对低温、暗夜等环境特点，重点围绕极 ...

Core Viewpoint - The Shenzhou 20 astronaut crew successfully completed China's 7th space rendezvous with the Shenzhou 21 crew, marking a significant milestone in China's space exploration efforts. The astronauts will live together in the space station for approximately five days to complete various tasks. Group 1: Challenges of Nighttime Search - Nighttime search operations present extreme challenges due to the lack of visual references in the vast Gobi Desert, complex terrain, and equipment performance degradation in low-temperature environments [2] - The Jiuquan Satellite Launch Center has conducted multiple rounds of specialized nighttime training to prepare for these challenges, focusing on aerial search flight and infrared thermal imaging operations [2] Group 2: Rapid Location of Return Capsule - The aerial team utilizes optical pods with infrared thermal imaging capabilities to accurately locate the return capsule, even when it is difficult to see [3] - Upgrades to the nighttime lighting system for drones have been implemented to provide extensive illumination for rescue teams, optimizing lighting angles to minimize visual interference [3] Group 3: Astronauts' Cold Protection Post-Landing - Medical personnel have prepared cold protection supplies, including sleeping bags and blankets, for the astronauts, ensuring they receive immediate care in a warm environment after landing [3][4] - The rescue team has enhanced training for cold weather operations and optimized rescue processes to ensure effective medical support and thermal protection for astronauts post-landing [4]