Proton | Salyut-2a
The Human Exploration flight Proton | Salyut-2a departed Baikonur Cosmodrome, Republic of Kazakhstan atop a Proton, bound for LEO.
- Launch time
- Status
- FAILED
- Operator
- Soviet Space Program
- Mission type
- Human Exploration
- Rocket
- Proton
- Launch site
- Baikonur Cosmodrome, Republic of Kazakhstan
- Launch pad
- 81/23 (81L)
- Payload
- —
- Target orbit
- LEO

Mission timeline
- 1972-07-29T03:20:57.000ZProton lifts off from Baikonur Cosmodrome, Republic of Kazakhstan.
- Proton passes through max aerodynamic pressure (Max Q).
- The mission ends in failure.