• York Space Systems expanded its prime integration work into geosynchronous orbit via the U.S. Space Force’s Tetra 3 and 4 missions.
• The GEO program, branded Nemesis, targets space domain awareness missions focused on resident space objects plus rendezvous and proximity operations.
• The missions cleared a delta critical design review, enabling production to proceed toward spacecraft delivery in Q4.
• Scope includes spacecraft design, sensor integration, mission execution, with a late-added propulsion system incorporated without major vehicle impacts.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. York Space Systems Inc. published the original content used to generate this news brief via Business Wire (Ref. ID: 20261005989692) on October 05, 2026, and is solely responsible for the information contained therein.