Space · upcoming launch
SDA Tranche 1 Tracking Layer D
TBD
NET DECEMBER 2026
UNITED LAUNCH ALLIANCE
Launch
Launch date
NET December 2026
Launch time
TBD
NET December 2026
Status
TBD
Probability
—
weather go
Window
Instantaneous
UTC
Launch provider
United Launch AllianceRocket
VulcanPad
Space Launch Complex 3ELocation
Vandenberg SFB, CA, USAMission type
Government/Top SecretOrbit
Polar OrbitOrbital launch of the year
#356United Launch Alliance launch of the year
#26Launch from this pad
#55Mission
Tranche 1 Tracking Layer D is one of five missions by the United States Space Force Space Development Agency (SDA) for the Proliferated Warfighter Space Architecture (PWSA) Tranche 1 Tracking Layer constellation, which will provide global indications, warning, tracking, and targeting of advanced missile threats, including hypersonic missile systems.
More from United Launch Alliance
Related launches
| No. | Mission | Date | Rocket | Status |
|---|---|---|---|---|
| 01 | Amazon Leo (LV-01) | 31 Oct 2026 | Vulcan VC6L | TBD |
| 02 | USSF-23 | 31 Dec 2026 | Vulcan | TBD |
| 03 | Starliner-1 | 31 Dec 2026 | Atlas V N22 | TBD |
| 04 | USSF-114 | 31 Dec 2026 | Vulcan | TBD |
| 05 | USSF-112 | 31 Dec 2026 | Vulcan | TBD |
| 06 | Amazon Leo (LA-08) | 02 Jul 2026 | Atlas V 551 | Success |
| 07 | Amazon Leo (LA-07) | 29 May 2026 | Atlas V 551 | Success |
| 08 | Amazon Leo (LA-06) | 28 Apr 2026 | Atlas V 551 | Success |
| 09 | Amazon Leo (LA-05) | 04 Apr 2026 | Atlas V 551 | Success |
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Source The Space Devs — Launch Library 2
Last updated 01 Oct 2026