York Space Systems Expands into GEO to Support Space Domain Awareness Missions

York Space Systems is expanding its prime integration portfolio into geosynchronous Earth Orbit as prime contractor on the U.S. Space Force's Tetra 3 and 4 missions (called Nemesis by York), supporting Space Domain Awareness with an integrated sensor suite. The missions cleared Delta Critical Design Review — the customer's formal sign-off to proceed to build — and remain on track for spacecraft delivery in Q4, despite absorbing a new propulsion system under an accelerated schedule with no structural, thermal, or power impacts.

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