Office of Commercial Space Transportation

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The Office of Commercial Space Transportation (generally referred to as FAA/AST or simply AST^{[1][note 1]}) is the branch of the United States Federal Aviation Administration (FAA) that approves any commercial rocket launch operations — that is, any launches that are not classified as model, amateur, or "by and for the government" — in the case of a U.S. launch operator and/or a launch from the U.S.

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