2018-11-152018-11-151972https://hdl.handle.net/2152.3/10695Correspondence from Joseph Kerwin to Dr. Thornton requesting input and review of the NASA use of the BioBelt for Skylab. Included is Dr. Thornton's response, and the NASA formal Skylab Change Evaluation Sheet, dated November 17, 1972.Joseph KerwinDr. William ThorntonMissionsSkylab Medical Experiments Altitude TestSkylab BioBeltSpace MedicineReview RequestCorrespondence