Orbital 'Stargazer' Pegasus rocket launch platform

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"Stargazer" is a Lockheed L-1011 commercial transport aircraft modified to carry the air-launched Pegasus rocket . Marshall Aerospace of Cambridge, England performed the modifications, removing unnecessary equipment such as passenger seats, reinforcing the internal wing structure and adding Pegasus support equipment. When not in use for Pegasus operations, Stargazer is available for aerospace research and development applications.