SOVIET SPACE PROGRAM

Soyuz 11A510 | US-AO 2

SUCCESS Soyuz 11A510 →
Jul 20, 1966 at 08:58 UTC
Low Earth Orbit Government/Top Secret Baikonur Cosmodrome, Republic of Kazakhstan 100% success
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Mission Control3D trajectory · Live telemetry · AI narrator · Booster tracking
PAD31/6
SITEBaikonur Cosmodrome, Republic of Kazakhstan →
ORBITLow Earth Orbit
TYPEGovernment/Top Secret

US-A (Upravlenniye Sputnik Aktivny) were active radar satellites for ocean surveillance. The high power consumtion of the active radar required a nuclear reactor as power source. The satellites were known as RORSAT in the west. The US-AO series consisted of satellites, which tested all the system components but the nuclear reactor. They were battery powered.

MISSION
US-AO 2
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
31/6
COUNTRY
RUS
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: ccc17267-b358-4ec2-8e2f-ba2d00dfe4b6
Reported date: Jul 20, 1966 at 08:58 UTC
Last synced: 2 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
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MANUFACTURER
Energia
VARIANT
11A510
FLIGHTS
2
SUCCESSES
2
SUCCESS RATE
100%

The Soyuz/Vostok, also known as just Soyuz or Vostok, or by its GRAU index, 11A510 was an interim expendable carrier rocket used by the Soviet Union in 1965 and 1966. Two were launched with prototype US-A satellites.

When is the Soyuz 11A510 | US-AO 2 launch?
The Soyuz 11A510 | US-AO 2 is scheduled for Wednesday, July 20, 1966 at 8:58 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 US-AO 2?
The Soyuz 11A510 | US-AO 2 mission uses the Soyuz 11A510 rocket, manufactured by Energia. The Soyuz 11A510 has flown 2 times with a 100% success rate.
Where is the Soyuz 11A510 | US-AO 2 launching from?
The launch takes place from 31/6 at Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit is US-AO 2 going to?
The US-AO 2 mission is targeting Low Earth Orbit.
Who is launching US-AO 2?
The Soyuz 11A510 | US-AO 2 is operated by Soviet Space Program.
Can I watch the Soyuz 11A510 | US-AO 2 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 28, 2026 20:51 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:51 UTC
Launch date set: Jul 20, 1966 at 08:58 UTC
NET (No Earlier Than) confirmed by Soviet Space Program
Mar 28, 2026 20:51 UTC
Launch completed successfully
Updated via Launch Library 2
Last data sync: 2 minutes ago
Launch Library 22 minutes ago
Launch ID: ccc17267-b358-4ec2-8e2f-ba2d00dfe4b6
Open-Meteo Weather1 day ago
Pad weather at 46, 63.56

Mission Profile

US-AO 2 was a Soyuz 11A510 mission operated by Soviet Space Program that lifted off from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on July 20, 1966. The flight carried its payload on a government/top secret mission to Low Earth Orbit. The launch was a success.