STS-61-M
# STS-61-M

STS-61-M was a proposed NASA Space Shuttle program mission, planned for July 1986 but canceled following the Space Shuttle Challenger disaster (STS-51-L).

Payload was to have been TDRS-D of the U.S. tracking and data relay satellite (TDRS) satellites.

## Primary Crew

| Position | Astronaut | Astronaut |
| - | - | - |
| Commander | Loren J. Shriver Would have been second spaceflight | Loren J. Shriver Would have been second spaceflight |
| Pilot | Bryan D. O'Connor Would have been second spaceflight | Bryan D. O'Connor Would have been second spaceflight |
| Mission Specialist 1 | Mark C. Lee Would have been first spaceflight | Mark C. Lee Would have been first spaceflight |
| Mission Specialist 2 | Sally K. Ride Would have been third spaceflight | Sally K. Ride Would have been third spaceflight |
| Mission Specialist 3 | William F. Fisher Would have been second spaceflight | William F. Fisher Would have been second spaceflight |
| Payload Specialist 1 | Robert Wood Would have been first spaceflight | Robert Wood Would have been first spaceflight |

## Backup Crew

| Position | Astronaut | Astronaut |
| - | - | - |
| Payload Specialist 1 | Charles D. Walker Would have been fourth spaceflight | Charles D. Walker Would have been fourth spaceflight |
