by SpaceX USA

SDA Tranche 1 Transport Layer F

Planned 2027 H1

One of six launches for the Space Development Agency's Transport Layer Tranche 1, carried under the National Security Space Launch Phase 2 contract awarded in 2022.

aboard Falcon 9 B5 into LEO

Payload

T1TL-F x 21

Military communications

last updated Oct 3, 2026