For NASA-sponsored spacecraft or experiments necessitating a payload professional, the expert is nominated by an investigator Operating group and authorized by NASA. Payload professionals for main non-NASA payloads or experiments are picked via the sponsoring Group. Payload professionals do not need being U.S. citizens. on the other hand, they need

Of These interviewed, about 50 % are invited back again for second interviews. From that group, NASA’s new astronaut candidates are picked. They report for instruction at Johnson and commit the subsequent two decades Understanding essential astronaut expertise like spacewalking, functioning the Area station, traveling T-38 jet planes and managing