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15 October 2025, 23:06 UTC

SDA Tranche 1 Transport Layer C

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

Launched 21 Lockheed Martin-built Tranche 1 Transport Layer satellites for the US Space Development Agency from Vandenberg, the second launch toward the planned 126-satellite military data-relay network; booster B1093 landed on Of Course I Still Love You after its seventh flight.

Outcome
Success
Orbit
PO
Polar orbit
Payload to orbit
15 T (est.)
Flight
489th
of 638 Falcon 9 Block 5 flights
Date and time
15 October 2025, 23:06 UTC
Builder
SpaceX
Launch site
Space Launch Complex 4E, Vandenberg SFB, CA, USA
Payload
Government/Top Secret
International designator
2025-230
Launches in 2025
241st of 329

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