Mattingly

Shriver

Onizuka

Buchli

Payton

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1983 November. (Cancelled flight). Crew: Mattingly, Shriver, Onizuka, Buchli, Payton. Backup Crew: Wright. Program: STS. Planned Department of Defense shuttle mission. Cancelled due to payload delays.

• - 1983 November - STS-10 (cancelled)  Crew: Mattingly, Shriver, Onizuka, Buchli, Payton. Payload: DoD Mission.

  Planned Department of Defense shuttle mission. Cancelled due to payload delays.

• 1984 Feb 7 - EVA STS-10-1  Crew: McCandless, Stewart. EVA Type: Extra-Vehicular Activity. EVA Duration: 0.23 days. Spacecraft: Challenger.

  Tested MMU manoeuvring unit in free flight.

• 1984 Feb 9 - EVA STS-10-2  Crew: McCandless, Stewart. EVA Type: Extra-Vehicular Activity. EVA Duration: 0.25 days. Spacecraft: Challenger.

  Tested MMU manoeuvring unit in free flight.