Crippen, Robert2018-09-252018-09-251979-04-14https://hdl.handle.net/2152.3/10199A United States Government Memorandum from Robert Crippen regarding On-Orbit Orientation for the Shuttle.Dr. William ThorntonMissionsspace shuttleSpace MedicineOn-Orbit OrientationUnited States Government MemorandumRobert Crippen