太空环境恶劣,因此人要进入太空,不仅需有先进的载人航天器,航天员也是经过千挑万选的。航天员分职业航天员和非职业航天员两大类。职业航天员是指专门从事航天飞行工作的航天员,又分为飞行专家、任务专家、军事专家3种。其中飞行专家包括驾驶员、指令长(或称机长),任务专家也叫随船工程师。飞行专家除驾驶载人航天器外,还要负责飞行安全,监视、控制与维护航天器的设备仪器,协助其他专家工作。在这一过程,驾驶员主管航天器的飞 Space environment is bad, so people want to enter space, not only need advanced manned spacecraft, astronaut is picked by pick. Astronauts points astronauts and non-professional astronauts two categories. Professional astronaut refers to the astronaut specializing in space flight work, is divided into three kinds of flight experts, mission experts, military experts. Flight experts include pilots, command chiefs (or captains) and mission specialists, also called onboard engineers. In addition to driving manned spacecraft, flight experts are also responsible for flight safety, surveillance, control and maintenance of spacecraft equipment and instruments to assist other experts in their work. In this process, the pilot is in charge of the spacecraft’s fly