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SizeSTS-29 Mission: Tracking and Data Relay Satellite-4 (TDRS-4) 
Space Shuttle: Discovery
Launch Pad: 39B 
Launch Weight: 256,357 pounds
Launched: March 13, 1989, 9:57:00 a.m. EST
Landing Site: Edwards Air Force Base, Calif.
Landing: March 18, 1989, 6:35:50 a.m. PST
Landing Weight: 194,789 pounds
Runway: 22 
Rollout Distance: 9,339 feet
Rollout Time: 53 seconds
Revolution: 80
Mission Duration: 4 days, 23 hours, 38 minutes, 50 seconds
Returned to Kennedy Space Center: March 24, 1989
Orbit Altitude: 184 nautical miles
Orbit Inclination: 28.5 degrees
Miles Traveled: 2 million 

Crew Members

                    

Image above: STS-29 Crew photo with Commander Michael L. Coats, Pilot John E. 
Blaha, Mission Specialists James P. Bagian, James F. Buchli and Robert C. 
Springer. Image Credit: NASA 

Launch Highlights

 The launch manifested for February 18 was reassessed for a late February/early 
March launch to replace suspect liquid oxygen turbopumps on Discovery's three 
main engines and faulty master events controller. The launch on March 13 was 
delayed 1 hour, 50 minutes due to morning ground fog and upper winds.

Mission Highlights

The primary payload, Tracking and Data Relay Satellite-4 (TDRS-4) which was 
attached to an Inertial Upper Stage (IUS), became the third TDRS to be deployed. 
After deployment, the IUS propelled the satellite to a geosynchronous orbit. 
Secondary payloads: Orbiter Experiments Autonomous Supporting Instrumentation 
System-1 (OASIS-1); Space Station Heat Pipe Advanced Radiator Experiment 
(SHARE); Protein Crystal Growth (PCG); Chromosomes and Plant Cell Division 
(CHROMEX); two Shuttle Student Involvement Program (SSIP) experiments; and Air 
Force experiment using orbiter as calibration target for ground-based experiment 
for Air Force Maui Optical Site (AMOS) in Hawaii. Crew also photographed Earth 
with a hand-held IMAX camera. 

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