2018-01-242018-01-24Unknownhttp://hdl.handle.net/2152.3/4825This image reflects William E. Thornton walking on the boilerplate of the STS Space Transportation System treadmill.TreadmillBoilerplateExerciseWilliam E. ThorntonSTSSpace Transportation SystemresearchSpace Medicine12.12 S74-34282 Boilerplate STS TM, W.T.