Proton | Salyut-4
Proton | Salyut-4 rode a Proton into space from Baikonur Cosmodrome, Republic of Kazakhstan, deploying its payload to LEO.
- Launch time
- Status
- SUCCESS
- Operator
- Soviet Space Program
- Mission type
- Human Exploration
- Rocket
- Proton
- Launch site
- Baikonur Cosmodrome, Republic of Kazakhstan
- Launch pad
- 81/24 (81P)
- Payload
- —
- Target orbit
- LEO

Mission timeline
- 1974-12-26T04:15:00.000ZProton clears the pad at Baikonur Cosmodrome, Republic of Kazakhstan and begins its ascent.
- Proton pushes through the region of maximum dynamic pressure.
- Orbital insertion burn complete; now in LEO.
- Mission declared a complete success.