In order to carry out the purpose of the Act, NASA is authorized to conduct research for the solution of problems of flight within and outside the Earth's atmosphere; to develop, construct, test, and operate aeronautical and space vehicles for research purposes; to operate a space transportation system including the space shuttle, upper stages, space program, space station, and related equipment; and to perform such other activities as may be required for the exploration of space. The term aeronautical and space vehicles means aircraft, missiles, satellites, and other space vehicles, together with related equipment, devices, components, and parts. It conducts activities required for the exploration of space with manned and unmanned vehicles and arranges for the most effective utilization of the scientific and engineering resources of the United States with other nations engaged in aeronautical and space activities for peaceful purposes.