Name: Seddon, Margaret Rhea Country: USA M/F: F Number of Flights: 3

Space Flights Launch Date - Shuttle Landing Date - Shuttle
1. STS-51D April 12, 1985 - Discovery April 19, 1985 - Discovery
2. STS-40 June 5, 1991 - Columbia June 14, 1991 - Columbia
3. STS-58 October 18, 1993 - Columbia November 1, 1993 - Columbia

Space Flights Descriptions
STS-41F
(Cancelled)
Planned shuttle mission to deploy commercial communications satellites
Cancelled due to launch abort and rollback of space shuttle Discovery
STS-51E
(Cancelled)
Planned Tracking and Data Relay Satellite (TDRS-B) deployment shuttle mission
Cancelled due to timing problem with TDRS-B payload
1. STS-51D Deployed SYNCOM IV-3 (Leasat 3) and Telesat-I (Anik C-1) for TELESAT Canada
Perigee kick motor of SYNCOM IV-3 failed to start and was repaired during the STS-51I mission.
2. STS-40 Spacelab Life Sciences Mission 1 (SLS-1)
3. STS-58 Spacelab Life Sciences Mission 2 (SLS-2)

Return to Master List American Astronauts Three Spaceflights
Female Astronauts and Cosmonauts
Space Shuttle Program - 1985 / 1991 / 1993

Updated - June 10, 2006