NET 15 February 2027.
Update ↗
QuickSounder
Firefly Alpha Block 2
Latest published target
February 15, 2027 · time to be confirmed. An exact time has not been published.
Source record updated . This is a source update, not a confirmed launch time.
Check the source: Launch Library ↗
Checks for schedule changes while this page is visible.
Target time, not a confirmed liftoff.
Mission
QuickSounder is the first satellite mission of the Near Earth Orbit Network (NEON) program of the National Oceanic and Atmospheric Administration (NOAA), which aims to replace the current Joint Polar Satellite System (JPSS) series of polar orbit weather satellites. This pathfinder mission will demonstrate NOAA's ability to launch a small satellite within 3 years, flying a refurbished Advanced Technology Microwave Sounder (ATMS) instrument to polar orbit.
- Launch vehicle
- Firefly Alpha Block 2
- Mission type
- Earth Science
- Destination orbit
- Sun-Synchronous Orbit
- Launch pad
- Space Launch Complex 2W
- Provider
- Firefly Aerospace
The vehicle
Published configuration and flight history.

Firefly Alpha Block 2
Firefly Alpha (Firefly α) is a two-stage orbital expendable launch vehicle developed by the American aerospace company Firefly Aerospace to cover the commercial small satellite launch market. Alpha is intended to provide launch options for both full vehicle and ride share customers. The Block 2 version features increased length and structural strength for both stages, optimized propellant tanks and consolidated in-house batteries and avionics.
- Height
- 31.6 m
- Diameter
- 1.82 m
- Stages
- 2
- Recorded launches
- 0
Launch window
A precise launch window has not been published.
Launch site & orbit
Vandenberg SFB, CA, USA
Launch site & orbit
Explore the launch pad, then pull back to see the shape of the destination orbit.
Understand this orbit
Plan around the launch.
Check the base’s current launch notices and access restrictions before travelling.
Leave room for delays. Recheck the launch target, local weather and road closures on the day.
Vandenberg launch announcements ↗Before you set off
- Confirm the target and launch window.
- Check official viewing access and any booking requirements.
- Use a permitted viewing area. The launch pad is not a visitor destination.
- Keep the mission’s coverage link as a backup.
Coverage & sources
Links supplied by the mission data provider.
Coverage and times may change.
Mission coverage
No viewing link has been published yet.
Further reading
Launch Library ↗Follow on iPhone
Get reminders and schedule-change alerts. One active mission free.
Open mission in Spacian ↗