国际空间站救生船 X-38样机,今年7月在美国莫哈韦沙漠上的爱德华空军基地进行了第六次试飞。由一架波音 B-52飞机将 X-38样机置于右机翼下,携带到37,500英尺的高空投放,分离后数秒,翼伞打开以降低 X-38的速度,使之在几分钟的滑翔后安全着陆。为了帮助宇航员在发生意外后能迅速逃离险境,需要在空间站上配备可随时启用的救生飞船。为此,美国宇航局约翰 The X-38 prototype of the ISS rescue boat carried out its sixth flight test at the Edward Air Force Base in the Mojave Desert in July this year. The X-38 prototype was carried by a Boeing B-52 under the right wing and carried to an altitude of 37,500 feet. Separation seconds later, the wing umbrella was opened to reduce the X-38 speed so that after a few minutes of gliding Landing safely. To help astronauts escape quickly from an accident, an astronaut’s lifeboat needs to be deployed on the space station. To this end, NASA John