Added launch. (Launch contract is at https://www.ssc.spaceforce.mil/Portals/3/UPDATED%20COPY%20-%20SSC%20Awards%20NSSL%20Phase%203%20Lane%201%20TO.pdf)
Update ↗
SpaceXTo Be Determined
SDA Tranche 2 Transport Layer G
Falcon 9 Block 5
February 2027 · day pending
Latest published target
February 2027 · date to be confirmed. The day and time remain unconfirmed.
Source record updated . This is a source update, not a confirmed launch time.
Check the source: Launch Library ↗
The latest on this mission
What changed?
Checks for schedule changes while this page is visible.
Time to target
Target pending
Target time, not a confirmed liftoff.
LAUNCH SITEVandenberg SFB, CA, USA
Mission
Classified mission launched by the Space Development Agency (SDA) for Tranche 2 Transport Layer.
- Launch vehicle
- Falcon 9 Block 5
- Mission type
- Government/Top Secret
- Destination orbit
- Polar Orbit
- Launch pad
- Space Launch Complex 4E
- Provider
- SpaceX
The vehicle
Published configuration and flight history.
Launch vehicle
Falcon 9 Block 5
Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fifth major interval aimed at improving upon the ability for rapid reusability.
- Height
- 70 m
- Diameter
- 3.65 m
- Stages
- 2
- Recorded launches
- 537
- First flight
- 2018-05-11
Launch window
A calendar entry will be available when a date is confirmed.
A precise launch window has not been published.
Launch site & orbit
Vandenberg SFB, CA, USA
The mission in perspective
Launch site & orbit
Explore the launch pad, then pull back to see the shape of the destination orbit.
Understand this orbit
Watch in person
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 ↗