SA 2B Guideline Surface to Air Missile
| Type | Surface to Air Missile |
| Country of Origin | Soviet Union |
| Development Year | 1956 |
| Deployment Year | 1958 |
| Deployment Countries | Widespread Deployment |
| Range | 20 km |
| Guidance | Semi Active Radar |
| Warhead | 320 kg High Explosive |
| Length | 10 .8 m |
| Weight | 2,287 |
| Notes | This is an improved version over the SA 2A. It was this version of the SA 2 that was used to shoot down the U2 flown by Gary Powers in 1960. |
