| http://www.w3.org/ns/prov#value | - / Convair/NASAFifty years ago, aerospace constituted one of the most visible and diverse components of American industrial production, with companies such as Glenn L. Martin, Douglas, Lockheed, North American, Chance-Vought, McDonnell, Northrop, Boeing, Republic, Rockwell, Grumman and Convair/General Dynamics.
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