The Raduga-GVM was a mass model of the Raduga communications satellite. It was the first soviet launch to geostationary orbit under the designation Kosmos 637. The launch was performed by a Proton-K Blok-DM rocket.
|Type / Application:||Vehicle evaluation|
|Kosmos 637 (Raduga-GVM #1)||1974-017A||26.03.1974||Ba LC-81/23||Proton-K Blok-DM|