JSC History Collection staff2022-12-062022-12-062022Section 056https://hdl.handle.net/10657.1/2892The Grumman documents consist largely of reports generated between 1970 and 1981. Most of the documentation, however, consists of Alternate Space Shuttle Concepts documents (1971) and the Shuttle Phase C/D proposal (1972). The documents are arranged in chronological order.en-USNASAJohnson Space CenterSpace ShuttleNational Aeronautics and Space AdministrationOther