A rendering of a Telesat Lightspeed satellite based on MDA's new software-defined platform. Credit: Telesat

TAMPA, Fla. — Telesat plans to carve out 25% of its Lightspeed broadband constellation for military Ka-band as the program’s latest delay pushes global service into early 2028, creating more room to align the design with shifting geopolitical priorities.

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Jason Rainbow writes about satellite telecom, finance and commercial markets for SpaceNews. He has spent more than a decade covering the global space industry as a business journalist. Previously, he was Group Editor-in-Chief for Finance Information Group,...