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Q4 2026

SDA Tranche 1 Tracking Layer D

Falcon 9 Block 5Vandenberg SFB, CA, USA
Drawing of the Falcon 9 Block 5 for SDA Tranche 1 Tracking Layer D

A Falcon 9 from Vandenberg will put a Space Development Agency Tranche 1 Tracking Layer plane into polar orbit for the Proliferated Warfighter Space Architecture, the infrared layer built to warn on and track hypersonic and other dim, fast missiles. No T1 tracking satellites are on orbit yet; payload count and builder for this plane are undisclosed.

Status
Date TBD
Target orbit
PO
Polar orbit
Date and time
Q4 2026
Builder
SpaceX
Payload
Government/Top Secret