Aug 16 2001
From The Space Library
During the first spacewalk for Mission STS-105, astronauts Daniel T. Barry and Patrick F. Forrester affixed an ammonia coolant canister and two boxes containing hundreds of samples of prospective spacecraft materials to the exterior of the ISS. The ammonia canister would function as a backup coolant system in the event of a problem with the ISS’s primary coolant system. The samples, part of the MISSE experiment, would remain attached to the ISS for almost two years, so that scientists could examine how the materials performed during prolonged exposure to solar storms, cosmic radiation, and other aspects of the space environment. The experiment was a cooperative research effort of Boeing Phantom Works, the Materials Laboratory at the U.S. Air Force Research Library, and several NASA centers. (Marcia Dunn, “Spacewalking Astronauts Attach Ammonia Canister, Science Experiments to Space Station,” Associated Press, 16 August 2001; NASA, “Materials International Space Station Experiment: Introduction,” http://misseone.larc.nasa.gov/ (accessed 13 November 2008)
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