2018-01-242018-01-24Unknownhttp://hdl.handle.net/2152.3/4833This image reflects William E. Thornton walking on the STS Space Transportation System treadmill with no harness.William E. ThorntonTreadmillExerciseSTSSpace Transportation SystemSpace Medicineresearch12.19 S78-26673 1g, W.T. on STS TM in frame