Aurora
Tuning into the cosmos…
LoadingDelta IV Heavy
Delta IV Heavy | NROL-91
Delta IV Heavy | NROL-91 launched on Sat, Sep 24, 2022, 10:25 PM UTC — a United Launch Alliance mission.
Launch SuccessfulUnited Launch Alliance
Lifted offNET Sep 2022
NET Sat, Sep 24, 2022, 10:25 PM UTC
Live coverage
Watch the webcast
Mission profile
The flight at a glance
Delta IV HeavyVehicle
United Launch AllianceProvider
Space Launch Complex 6Pad
Vandenberg SFB, CA, USALocation
Government/Top SecretMission type
Low Earth OrbitOrbit
Flight simulation
Ascent to orbit
A representative gravity-turn climb for Delta IV Heavy to Low Earth Orbit. Illustrative model — not this mission’s live telemetry.
Mission timeT+0:00
Altitude0.0 km
Velocity0.00 km/s
PhaseLiftoff
T+0:00 / 8:30
SimulatedRepresentative Delta IV Heavy ascent profile — illustrative model, not this mission’s live telemetry.
The mission
NROL-91
Classified payload for the US National Reconnaissance Office (NRO).
Around this launch
Related news
No news linked to this launch yet
As coverage publishes, deduplicated articles about this mission will appear here.
Good to know
Frequently asked
What time does Delta IV Heavy | NROL-91 launch?
Delta IV Heavy | NROL-91 is scheduled to lift off Sat, Sep 24, 2022, 10:25 PM UTC.
Where can I watch Delta IV Heavy | NROL-91?
Watch the official live webcast embedded on this page — it goes live shortly before liftoff.
Who is launching Delta IV Heavy | NROL-91?
Delta IV Heavy | NROL-91 is an United Launch Alliance mission flying on a Delta IV Heavy.
Where does Delta IV Heavy | NROL-91 launch from?
It lifts off from Space Launch Complex 6, Vandenberg SFB, CA, USA.