Kleinknecht, Kenneth2018-04-052018-04-051968-02-22http://hdl.handle.net/2152.3/7660A memorandum written by Kenneth Kleinknecht, Manager for the Command and Service Modules of the Apollo Spacecraft Program, regarding crew Memo exposure to 100 percent Oxygen During Testing.Dr. Charles BerrySpace MedicineExposure to 100 percent Oxygen During TestingmemorandumA.E. MorseS.T. BeddingfieldApolloKenneth KleinknechtMemo on Exposure to 100 percent Oxygen During Testing