STS-63 astronauts Bernard A. Harris, Jr., payload commander (right), and C. Michael Foale, mission specialist (left), are ready to exit Discovery's airlock for a spacewalk. The pair would test new insulation to protect astronauts from the cold during extravehicular activity, but the Mission Control cut their spacewalk short after the men reported feeling very cold in their suits. On this EVA, Harris became the first African American to walk in space.
Image Number: sts063-67-024
Credit: NASA Johnson Space Center
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