Name: Kosmos-811 — launch
Start: 1976-03-31
Location: 53-y Nauchno-Issledovatelskiy Ispitatelniy Poligon,

Launch code: OS. Source references: AK15/RAEX; XPC.

Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)

1974-06-29 Kosmos-664 — launch Shares a spacecraft, person or other linked entity
1974-11-04 Kosmos-693 — launch Shares a spacecraft, person or other linked entity
1973-06-27 Kosmos-576 — launch Shares a spacecraft, person or other linked entity
1976-01-06 Kosmos-787 — launch Same organization: Strategic Rocket Forces
1976-01-07 Kosmos-788 — launch Same organization: Strategic Rocket Forces
1976-01-20 Kosmos-789 — launch Same organization: Strategic Rocket Forces