Aerospace comprises the atmosphere of Earth and surrounding space. Typically the term is used to refer to the industry that researches, designs, manufactures, operates, and maintains vehicles moving through air and space. Aerospace is a very diverse field, with a multitude of commercial, industrial and military applications. Aerospace is not the same as airspace, which is a term used to describe the physical air space directly above a location on the ground. "Aerospace" can be understood as the combination of aeronautics and astronautics. In most industrial countries, the aerospace industry... is a cooperation of public and private industries. For example, several countries have a civilian space program funded by the government through tax collection, such as NASA in the United States, ESA in Europe, the Canadian Space Agency in Canada, Indian Space Research Organisation and Hindustan Aeronautics Limited in India, JAXA in Japan, RKA in Russia, China National Space Administration in China, SUPARCO in Pakistan, Iranian Space Agency in Iran, and Korea Aerospace Research Institute in South Korea.
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