2018-01-092018-01-091983http://hdl.handle.net/2152.3/4337STS-7 was NASA's seventh Space Shuttle mission, and the second mission for the Space Shuttle Challenger, (18 June, 1983 - 24 June). STS-7 was notable for carrying Sally Ride, America's first female astronaut. This image reflects STS-7 Norman E.Thagard training with treadmill, linear threshold.Space MedicineshuttleSTS-7Norman E.ThagardtreadmillLinear threshold