SpaceXFalcon 9 Block 5Unknown Pad, Cape Canaveral SFS, FL, USA
SDA Tranche 2 Transport Layer D
Launch window
No countdown — this launch time is not yet known to the minute.NET December 2026Add to calendar
Image: SpaceX
Summary
SDA Tranche 2 Transport Layer D is expected to launch on a SpaceX Falcon 9 Block 5 from Unknown Pad, Cape Canaveral SFS, FL, USA in December 2026. It is SpaceX's 782nd launch, 163rd this year and humanity's 7,531st orbital launch attempt. It is planned as the 661st Falcon 9 Block 5 flight and the 135th 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 661st Falcon 9 Block 5 flight · 135th this yearSpaceX's 782nd launch163rd this yearhumanity's 7,531st orbital launch attempt358th orbital launch attempt this year
Flight preview
Orbit: representative
Target site default for this orbit type. Not a catalogued object; this panel switches to the tracked orbit once the object is catalogued. Ascent simulated from a published stage table.
About this launch
Classified mission launched by the Space Development Agency (SDA) for Tranche 2 Transport Layer.
Pad
Unknown Pad, Cape Canaveral SFS, FL, USA
Planned as the 17th launch from Unknown Pad, 17th this year · 1,169th from Cape Canaveral SFS, FL, USA
0 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
under an hour after the previous launch from this pad
Updates
NET December 2026.
Show 1 earlier update
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)
Cosmic_Penguin · 4/10/2025 · source
Questions
When does SDA Tranche 2 Transport Layer D launch?
SDA Tranche 2 Transport Layer D is scheduled in December 2026.
Where can I watch SDA Tranche 2 Transport Layer D live?
No webcast has been announced yet.
What rocket is launching SDA Tranche 2 Transport Layer D?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where is SDA Tranche 2 Transport Layer D launching from?
Unknown Pad, Cape Canaveral SFS, FL, USA.
What orbit is SDA Tranche 2 Transport Layer D going to?
Polar Orbit (PO), a government/top secret mission.