Astronaut Jerry Linenger works out on treadmill device on middeck

STS064-41-006 (9-20 Sept. 1994) --- Astronaut Jerry M. Linenger, STS-64 mission specialist, works out on the treadmill device on the space shuttle Discovery's middeck. "Running was a pleasure...just like being back on Earth," Linenger told a large audience of Johnson Space Center employees at the Crew Employee Presentation on Sept. 29, 1994. Linenger joined five other NASA astronauts for almost 11 days in Earth orbit aboard Discovery. Photo credit: NASA or National Aeronautics and Space Administration