John Glenn touring NASA's Glenn Research Center in 1991. Glenn spent time with the researchers for the Solid Surface Combustion Experiment. Designed to study combustion of solid fuels in microgravity, the experiment flew on the shuttle eight times.
John Glenn touring NASA’s Glenn Research Center in 1991. Glenn spent time with the researchers for the Solid Surface Combustion Experiment. Designed to study combustion of solid fuels in microgravity, the experiment flew on the shuttle eight times.
Image Credit: NASA