existed with the Space Shuttle to repair satellites in orbit. Smith was selected as a NASA astronaut in May 1980, and a year later, after completing further training, he received an assignment as a Space Shuttle pilot, the position he occupied aboard Challenger. This mission was his first space flight. Selected as a NASA astronaut in January 1978, the first cadre containing women, Resnik underwent the training program for Shuttle mission specialists during the next year. Thereafter, she filled a number of positions within NASA at the Johnson Space Center, working on aspects of the Shuttle program. Resnik became the second American woman in orbit during the maiden flight of Discovery, STS-41-D, between August 30 and September 5, 1984. In January 1978 NASA selected him to enter the astronaut cadre, one of the first three Black Americans selected. McNair became the second Black American in space between February 3 and 11, 1984, by flying on the Challenger Shuttle mission STS-41-B. During this mission McNair operated the maneuverable arm built by Canada used to move payloads in space. The 1986 mission on which he was killed was his second Shuttle flight. When Onizuka was selected for the astronaut corps he entered into a one-year training program and then became eligib
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