S84-30259 (April 1984) --- NASA's Discovery will carry these six STS51-D crew members into space on an early summer mission. Astronaut Henry W. Hartsfield Jr. (second right, front row) is crew commander; and Michael L. Coats, right, is pilot. Astronauts Richard M. (Mike) Mullane, left; Steven A. Hawley (second left) and Judith A. Resnik are mission specialists. Charles D. Walker (back row) is payload specialist. Both the early ocean-going Discovery and the debuting spacecraft are depicted in the backdrop. The conspicuous payload in the cargo bay of the spacecraft is that of NASA's Office of Aeronautics and Space Technology (OAST-1). Photo credit: NASA