2018-01-242018-01-24Unknownhttp://hdl.handle.net/2152.3/4846This image reflects William E. Thornton walking on the MKII treadmill.TreadmillMKIIwalkingExerciseresearchSpace MedicineWilliam E. ThorntonGym12.33 S84-43753 Gym, MKII in frame, W.T. walk