SDA awards $3.5B to four firms for 72 Tranche 3 missile-tracking LEO satellites
The Space Development Agency, part of the U.S. Space Force, awarded about $3.5 billion to four suppliers — including a nearly $1 billion award to L3Harris — to build 72 Tranche 3 low‑Earth‑orbit tracking satellites to expand missile‑warning and tracking capabilities as part of the Golden Dome architecture.