|Country of origin||Soviet Union|
|Height||26.3 metres (86 ft)|
|Diameter||2.4 metres (7.9 ft)|
|Mass||107,500 kilograms (237,000 lb)|
|Payload to LEO||1,400 kilograms (3,100 lb)|
|Launch sites||Site 41/15, Baikonur|
|First flight||16 November 1966|
|Last flight||27 August 1968|
|First stage – R-14|
|Thrust||1,740 kilonewtons (390,000 lbf)|
|Specific impulse||292 sec|
|Burn time||130 seconds|
|Second stage – S3|
|Thrust||156 kilonewtons (35,000 lbf)|
|Specific impulse||303 sec|
|Burn time||375 seconds|
The Kosmos-3 (GRAU Index: 11K65, also known as Cosmos-3) was a Soviet carrier rocket (Kosmos (rocket family)), derived from the R-14 missile, which was used to orbit satellites between 1966 and 1968. It was quickly replaced by the modernised Kosmos-3M. Six were flown, four as orbital carrier rockets, and two on sub-orbital flights. All launches occurred from Site 41/15 at the Baikonur Cosmodrome.
The Kosmos-3 made its maiden flight on 16 November 1966, carrying a Strela-2 satellite. Strela-2 satellites were flown on four flights, two of which failed. Two further, sub-orbital launches were conducted with VKZ payloads, both of which were successful.
|16 November 1966, 13:00||Strela-2||LEO (planned)||Failure||Cause of failure unknown|
|24 March 1967, 11:50||Kosmos 151 (Strela-2)||LEO||Success|
|12 October 1967, 14:15||VKZ||Suborbital||Success||Apogee: 4,400 kilometres (2,700 mi)|
|28 March 1968||VKZ||Suborbital||Success||Apogee: 4,000 kilometres (2,500 mi)|
|15 June 1968||Strela-2||LEO (planned)||Failure||Cause of failure unknown|
|27 August 1968, 11:29||Kosmos 236 (Strela-2)||LEO||Success|
- Wade, Mark. "Kosmos 3". Encyclopedia Astronautica. Retrieved 25 October 2008.
- Krebs, Gunter. "Kosmos-3 (11K65)". Gunter's Space Page. Archived from the original on 11 April 2013. Retrieved 25 October 2008.
- McDowell, Jonathan. "R-14". Launch vehicles Database. Jonathan's Space Page. Retrieved 25 October 2008.
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