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York and SDA prove space to ground laser link for Transport Layer
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York and SDA prove space to ground laser link for Transport Layer
by Clarence Oxford
Los Angeles CA (SPX) Sep 25, 2025

York Space Systems announced a successful space-to-ground optical laser communications demonstration with the U.S. Space Development Agency, advancing the Transport Layer that aims to deliver resilient, low-latency, high-volume connectivity for U.S. and allied forces worldwide.

In the test, a York-built Tranche 0 satellite linked with an SDA optical ground terminal. The campaign logged more than 1.5 million frames received, validating York's integrated optical communications approach within SDA's Proliferated Warfighter Space Architecture.

"York's ability to rapidly integrate and demonstrate these capabilities is what sets us apart," said Mike Lajczok, CTO of York. "By consistently delivering proven technologies on accelerated timelines, York is helping set the standard for how the United States fields advanced capabilities at scale."

"This achievement proves that optical communications are not only viable in real-world operations but also ready to strengthen the resilience and speed of the national defense space architecture," added Melanie Preisser, VP and GM of York. "By demonstrating secure, high-capacity links for missile warning, tracking, and tactical transport, York is demonstrating that these technologies can be fielded rapidly to meet the nation's evolving mission demands."

The milestone reinforces York's leadership in proliferated low Earth orbit systems and its role in advancing SDA's vision for the PWSA. Together, SDA and York are enabling a more secure, robust space-based network for next-generation missile warning, missile tracking, and tactical data transport, laying groundwork for future architectures.

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