York Space Systems and SDA demonstrate space-to-ground optical laser link for Transport Layer

York Space Systems successfully demonstrated a space-to-ground optical laser communications link with the U.S. Space Development Agency, validating high‑bandwidth tactical communications for SDA’s Transport Layer. The trial advances resilient, low‑latency data links intended to support the proliferated mesh of Tranche‑1 satellites and future nodes.

Discovered 2025-09-25T21:42:28.664569-07:00 | 2025-09-25T21:42:28.664569-07:00

Briefing

What Hype is tracking

The demo proves a high-throughput space-to-ground option for SDA’s Transport Layer at a critical deployment phase, directly following the SDA launch of 21 York-built Tranche‑1 satellites that begin assembling the planned 126-satellite mesh.
It strengthens York’s operational posture as it has just confirmed healthy contact with all 21 Tranche‑1 satellites and pursued ground-station scale via its ATLAS acquisition, linking in-space capability with ground infrastructure.
The test adds to recent multivendor optical-link validations, such as the aircraft-to-SDA satellite bi-directional optical demo and efforts to scale optical ground stations, underscoring tangible progress toward operational high‑bandwidth tactical satcom.

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