UNITED STATES AIR FORCE

Delta II | NATO 4A

SUCCESS Delta II →
Jan 8, 1991 at 00:53 UTC
Geostationary Orbit Government/Top Secret Cape Canaveral SFS, FL, USA 94% success
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Live Orbit
Fullscreen
Mission Control3D trajectory · Live telemetry · AI narrator · Booster tracking
PADSpace Launch Complex 17B
SITECape Canaveral SFS, FL, USA →
ORBITGeostationary Orbit
TYPEGovernment/Top Secret

NATO-4 is the a communications satellite system serving the North Atlantic Treaty Organization (NATO) and British Ministry of Defense. NATO 4A was the first of two new-generation comsats offering secure military and diplomatic voice and data communications to NATO member nations and troops in the field.

VEHICLE
Delta II
MISSION
NATO 4A
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Geostationary Orbit
COUNTRY
USA
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 9cd445f4-65d8-4077-97fb-9832f88507e8
Reported date: Jan 8, 1991 at 00:53 UTC
Last synced: 20 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
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MANUFACTURER
United Launch Alliance
VARIANT
7925
FLIGHTS
36
SUCCESSES
34
SUCCESS RATE
94.4%

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.

When is the Delta II | NATO 4A launch?
The Delta II | NATO 4A is scheduled for Tuesday, January 8, 1991 at 12:53 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for NATO 4A?
The Delta II | NATO 4A mission uses the Delta II rocket, manufactured by United Launch Alliance. The Delta II has flown 36 times with a 94.4% success rate.
Where is the Delta II | NATO 4A launching from?
The launch takes place from Space Launch Complex 17B at Cape Canaveral SFS, FL, USA.
What orbit is NATO 4A going to?
The NATO 4A mission is targeting Geostationary Orbit.
Who is launching NATO 4A?
The Delta II | NATO 4A is operated by United States Air Force.
Can I watch the Delta II | NATO 4A 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.
Mar 29, 2026 03:05 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 03:05 UTC
Launch date set: Jan 8, 1991 at 00:53 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 29, 2026 03:05 UTC
Launch completed successfully
Updated via Launch Library 2
Last data sync: 20 minutes ago
Launch Library 220 minutes ago
Launch ID: 9cd445f4-65d8-4077-97fb-9832f88507e8
Open-Meteo Weather10 hours ago
Pad weather at 28.45, -80.57

Mission Profile

NATO 4A was a Delta II 7925 mission operated by United States Air Force that lifted off from Space Launch Complex 17B, Cape Canaveral SFS, FL, USA on January 8, 1991. The flight carried its payload on a government/top secret mission to Geostationary Orbit. The launch was a success.