Inside SDA Tranche‑1: The Space ‘Mesh’ That Could Kill Hypersonics and Link Every Jet, Ship — Launches, Timelines, and What’s Next
Executive summary (as of September 16, 2025) What is Tranche‑1? (Quick primer) SDA’s Proliferated Warfighter Space Architecture (PWSA) is a layered, LEO‑based network fielded in two‑year “tranches.” Tranche‑1 (T1) adds regional persistence beyond Tranche‑0 demos: Transport Layer (T1TL) for data relay to