Atlas V 421 | SBIRS GEO-5

Operated by United Launch Alliance, the Government/Top Secret mission Atlas V 421 | SBIRS GEO-5 delivered its payload into GTO.

Launch time
Status
SUCCESS
Operator
United Launch Alliance
Mission type
Government/Top Secret
Rocket
Atlas V 421
Launch site
Cape Canaveral SFS, FL, USA
Launch pad
Space Launch Complex 41
Payload
—
Target orbit
GTO
Atlas V 421 | SBIRS GEO-5 cover image

Mission timeline

  1. 2021-05-18T17:37:00.000Z
    Liftoff
    Liftoff confirmed — Atlas V 421 is airborne.
  2. Max-Q
    Max Q — Atlas V 421 endures peak structural stress during ascent.
  3. Main engine cutoff (MECO)
    First-stage main engine cutoff (MECO) confirmed.
  4. Stage separation
    The spent first stage separates from the upper stage.
  5. Second-stage ignition
    Upper stage ignites, continuing the journey toward orbit.
  6. Orbit insertion
    The mission reaches GTO, successfully entering orbit.
  7. Mission success
    The mission concludes successfully.

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