Swift Boost Mission
Northrop Grumman Space Systems · Pegasus XL
Success
TBD
Mission Patch
Watch Live
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Launch Details
Launch Date
—
Rocket
Pegasus XL
Launch Pad
Kwajalein Atoll — Air launch to orbit
Launch date history
No date changes since Orbit started tracking this launch on 27 Sep 2026.
Mission Progress
Current Stage
Orbit Insertion
Payload deployed to target orbit — primary mission success
9 of 9 stages complete
100%
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- Announced
Mission confirmed and added to the launch manifest
- Vehicle Integration
Rocket assembled and transported to the launch pad
- Pre-Launch Checks
Fuelling, systems checks, and final go/no-go polling
- Launch Window Open
Countdown active — T-0 within the launch window
- Liftoff
Main engines ignite and the vehicle clears the tower
- Max-Q
Maximum aerodynamic pressure on the vehicle
- MECO / Stage Separation
Main engine cutoff and first stage separates
- Second Stage Ignition
Upper stage engine ignites to continue to orbit
- Orbit Insertion
Payload deployed to target orbit — primary mission success
Launch Provider
Northrop Grumman Space Systems
CommercialNGSSNorthrup Grumman Space Systems designs, builds and delivers space, defence and aviation-related systems to customers around the world. They aquired Orbital ATK in 2018 along with its launchers and ongoing missions.
Founded2015
Total launches17
CountryUSA
Rocket & Vehicle
Pegasus XL
Pegasus
Launch Pad
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