PADSpace Launch Complex 17B
SITECape Canaveral SFS, FL, USA →ORBITMedium Earth Orbit
TYPENavigation
PROGRAMGlobal Positioning System
MISSION OVERVIEW
USA-166, also known as GPS IIR-8 and GPS SVN-56, is an American navigation satellite which forms part of the Global Positioning System. It was the eighth Block IIR GPS satellite to be launched, out of thirteen in the original configuration, and twenty one overall.
LAUNCH DETAILS
VEHICLE
Delta IIAGENCY
United States Air ForceMISSION
GPS IIR-8
MISSION TYPE
Navigation
TARGET ORBIT
Medium Earth Orbit
LAUNCH PAD
Space Launch Complex 17BLAUNCH SITE
Cape Canaveral SFS, FL, USAPROGRAM
Global Positioning System
COUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 8eac8554-2bd8-472f-b2ad-f27cc9a4d829
Reported date: Jan 29, 2003 at 18:06 UTC
Last synced: 2 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Delta II →
MANUFACTURER
United Launch Alliance
VARIANT
7925-9.5
FLIGHTS
26
SUCCESSES
26
SUCCESS RATE
100%
Delta II is an American space launch system developed by McDonnell Douglas, now part of the Delta rocket family operated by United Launch Alliance. With more than 150 missions and a nearly perfect track record, Delta II has established itself as one of the most successful orbital launch systems.
FREQUENTLY ASKED QUESTIONS
When is the Delta II | GPS IIR-8 launch?
The Delta II | GPS IIR-8 is scheduled for Wednesday, January 29, 2003 at 6:06 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for GPS IIR-8?
The Delta II | GPS IIR-8 mission uses the Delta II rocket, manufactured by United Launch Alliance. The Delta II has flown 26 times with a 100% success rate.
Where is the Delta II | GPS IIR-8 launching from?
The launch takes place from Space Launch Complex 17B at Cape Canaveral SFS, FL, USA.
What orbit is GPS IIR-8 going to?
The GPS IIR-8 mission is targeting Medium Earth Orbit.
Who is launching GPS IIR-8?
The Delta II | GPS IIR-8 is operated by United States Air Force. It is part of the Global Positioning System program.
Can I watch the Delta II | GPS IIR-8 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 29, 2026 01:07 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 01:07 UTC
Launch date set: Jan 29, 2003 at 18:06 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 29, 2026 01:07 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 2 minutes ago
●Launch Library 22 minutes ago
Launch ID: 8eac8554-2bd8-472f-b2ad-f27cc9a4d829
●Open-Meteo Weather4 hours ago
Pad weather at 28.45, -80.57
