Soyuz 2.1b/Fregat | EKS 3 (Tundra 3) (Kosmos 2541)
Soyuz 2.1b/Fregat | EKS 3 (Tundra 3) (Kosmos 2541) rode a Soyuz 2.1b/Fregat into space from Plesetsk Cosmodrome, Russian Federation, deploying its payload to MEO.
- Launch time
- Status
- SUCCESS
- Operator
- Russian Space Forces
- Mission type
- Government/Top Secret
- Rocket
- Soyuz 2.1b/Fregat
- Launch site
- Plesetsk Cosmodrome, Russian Federation
- Launch pad
- 43/4 (43R)
- Payload
- —
- Target orbit
- MEO

Mission timeline
- 2019-09-26T07:46:00.000ZLiftoff confirmed — Soyuz 2.1b/Fregat is airborne.
- Max Q — Soyuz 2.1b/Fregat endures peak structural stress during ascent.
- First-stage main engine cutoff (MECO) confirmed.
- The spent first stage separates from the upper stage.
- Upper stage ignites, continuing the journey toward orbit.
- The mission reaches MEO, successfully entering orbit.
- The mission concludes successfully.