The IS-GVM satellite was a mass model of the I2P interceptor satellites, which were launched as payload substitutes on some Tsiklon-2 evaluation launch.
The firt launch was orbital, while the second one was suborbital.
|Type / Application:||Dummy satellite|
|Kosmos 291 (IS-GVM #1)||1969-066A||06.08.1969||Ba LC-90/19||Tsiklon-2|
|IS-GVM #2||N/A||01.11.1969||Ba LC-90/20||*||Tsiklon-2|