SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
SDA Tranche 2 Transport Layer G
Launch window
No countdown — this launch time is not yet known to the minute.NET February 2027Add to calendar
Image: SpaceX
Summary
SDA Tranche 2 Transport Layer G is expected to launch on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA in February 2027. It is SpaceX's 788th launch, 6th this year and humanity's 7,543rd orbital launch attempt. It is planned as the 686th Falcon 9 Block 5 flight and the 5th this year. The payload is bound for Polar Orbit (PO).
- Watch
- No webcast announced yet.
- Vehicle
- Falcon 9 Block 5 · SpaceX
- Booster
- No booster details available.
- Mission
- Government/Top Secret · Polar Orbit (PO)for SDA
- Milestone
- Planned as the 686th Falcon 9 Block 5 flight · 5th this yearSpaceX's 788th launch6th this yearhumanity's 7,543rd orbital launch attempt12th orbital launch attempt this year
Flight preview
About this launch
Classified mission launched by the Space Development Agency (SDA) for Tranche 2 Transport Layer.
Pad

Space Launch Complex 4E, Vandenberg SFB, CA, USA
Planned as the 327th launch from Space Launch Complex 4E, 3rd this year · 955th from Vandenberg SFB, CA, USA
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
28 days after the previous launch from this pad
Updates
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)
Questions
When does SDA Tranche 2 Transport Layer G launch?
SDA Tranche 2 Transport Layer G is scheduled in February 2027.
Where can I watch SDA Tranche 2 Transport Layer G live?
No webcast has been announced yet.
What rocket is launching SDA Tranche 2 Transport Layer G?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where is SDA Tranche 2 Transport Layer G launching from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA.
What orbit is SDA Tranche 2 Transport Layer G going to?
Polar Orbit (PO), a government/top secret mission.
