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STS-44

STS-44
STS-44 DSP deployment.jpg
Atlantis deploys a DSP satellite
Mission type Satellite deployment
Operator NASA
COSPAR ID 1991-080A
SATCAT № 21795
Mission duration 6 days, 22 hours, 50 minutes, 44 seconds
Distance travelled 4,651,112 kilometers (2,890,067 mi)
Orbits completed 110
Spacecraft properties
Spacecraft Space Shuttle Atlantis
Launch mass 117,766 kilograms (259,630 lb)
Landing mass 87,919 kilograms (193,828 lb)
Payload mass 20,240 kilograms (44,620 lb)
Crew
Crew size 6
Members Frederick D. Gregory
Terence T. Henricks
James S. Voss
F. Story Musgrave
Mario Runco, Jr.
Thomas J. Hennen
Start of mission
Launch date 24 November 1991, 23:44:00 (1991-11-24UTC23:44Z) UTC
Launch site Kennedy LC-39A
End of mission
Landing date 1 December 1991, 22:34:12 (1991-12-01UTC22:34:13Z) UTC
Landing site Edwards Runway 5
Orbital parameters
Reference system Geocentric
Regime Low Earth
Perigee 363 kilometers (226 mi)
Apogee 371 kilometers (231 mi)
Inclination 28.5 degrees
Period 91.9 minutes

Sts-44-patch.png STS-44 crew.jpg
Left to right - Seated: Hendricks, Gregory, Musgrave; Standing: Voss, Hennen, Runco


Space Shuttle program
← STS-48 STS-42

Sts-44-patch.png STS-44 crew.jpg
Left to right - Seated: Hendricks, Gregory, Musgrave; Standing: Voss, Hennen, Runco

STS-44 was a Space Shuttle mission using Atlantis that launched on 24 November 1991. It was a U.S. Department of Defense space mission.

The launch was on 24 November 1991 at 6:44:00 pm EST. A launch set for 19 November was delayed due to replacement and testing of a malfunctioning redundant inertial measurement unit on the Inertial Upper Stage booster attached to the Defense Support Program satellite. The launch was reset for 24 November and was delayed by 13 minutes to allow an orbiting spacecraft to pass and to allow external tank liquid oxygen replenishment after minor repairs to a valve in the liquid oxygen replenishment system in the mobile launcher platform. Launch weight was 117,766 kilograms (259,630 lb).

The mission was dedicated to the Department of Defense. The unclassified payload included a Defense Support Program (DSP) satellite and attached Inertial Upper Stage (IUS), deployed on flight day one. Cargo bay and middeck payloads included the Interim Operational Contamination Monitor (IOCM), Terra Scout, Military Man in Space (M88-1), Air Force Maui Optical System (AMOS), Cosmic Radiation Effects and Activation Monitor (CREAM), Shuttle Activation Monitor (SAM), Radiation Monitoring Equipment III (RME III), Visual Function Tester-1 (VFT-1), Ultraviolet Plume Instrument (UVPI), Bioreactor Flow, Particle Trajectory experiment, and Extended Duration Orbiter Medical Project, a series of investigations in support of Extended Duration Orbiter.


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