Editing Project Orbiter (section)

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'''Project Orbiter''' was a proposed United States [[spacecraft]], an early competitor to [[Project Vanguard]]. It was jointly run by the [[United States Army]] and [[United States Navy]]. It was ultimately rejected by the Ad Hoc Committee on Special Capabilities, which selected Project Vanguard instead. Although the project was canceled on 3 August 1955, the basic design was used for the [[Juno I]] rocket which launched [[Explorer 1]], the first satellite launched by the United States.