SDA Tranche 1 Tracking Layer E
This mission is complete.
The mission
Tranche 1 Tracking Layer E 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.
Mission timeline
Where it leaves Earth
Launch site
Ground vector
Space Launch Complex 4E
Vandenberg SFB, CA, USA
- Latitude
- 34.632°N
- Longitude
- 120.611°W
Can I see this?
Distance and a plain visibility call from a place you choose. Trajectory is not modeled — night launches travel farther across the sky than daylight ones.
Save a viewing place to judge this pad from where you stand.
Range weather
Launch commit criteria
Clear — tracking no weather issues at this time.
- Primary concern
- No weather issues
- Rule count
- 0
- Temperature
- Not reported
- Surface wind
- Not reported
12:00 AM UTC – 12:00 AM UTC
Vehicle & provider
Schedule history
No meaningful launch-time or status changes recorded.