Launch board / mission brief
Vulcan | SDA Tranche 2 Transport Layer B
SDA Tranche 2 Transport Layer B · Vulcan · Vandenberg SFB, CA, USA
TBD
Space Launch Complex 3E
T−
62d 02:56:07
Mission
Classified mission launched by the Space Development Agency (SDA) for Tranche 2 Transport Layer.
Flight data
- NET
- 2026-12-31 00:00 UTC
- Local
- 2026-12-31 08:00 (Asia/Shanghai)
- Window
- 2026-12-31 00:00 UTC → 2026-12-31 00:00 UTC
- Status
- To Be Determined (TBD)
- Provider
- United Launch Alliance
- Rocket
- Vulcan
- Pad
- Space Launch Complex 3E
- Site
- Vandenberg SFB, CA, USA
- Orbit
- Polar Orbit
- Probability
- —
- Mission type
- Government/Top Secret
- Pad record
- Space Launch Complex 3E →
Watch it happen
The console keeps a live countdown and the ISS position on one screen.