{"city":"El Segundo","name":"Millennium Space Systems","slug":"millennium-space-systems","facts":[{"date":"2026-04-01","type":"product_launch","value":"Boeing and Millennium unveiled Resolute, a new mid-class spacecraft platform intended for flexible multi-orbit government and commercial missions","source":"boeing.mediaroom.com"},{"date":"2026-02-01","type":"setback","value":"GAO stated that DOD lacked a reliable architecture-level integrated schedule and that delayed spacecraft and component readiness created risk to timely missile-tracking capability delivery","source":"files.gao.gov"},{"date":"2026-01-01","type":"setback","value":"GAO reported that the missile-warning and tracking architecture was behind schedule, with spacecraft readiness overestimated and unplanned contractor work adding time to schedules","source":"gao.gov"},{"date":"2026-01-01","type":"product_launch","value":"Boeing-Millennium mid-class satellite platform unveiled; production expanded","source":"Aviation Week / Boeing"},{"date":"2025-07-01","type":"deployment","value":"Millennium's two NASA TRACERS spacecraft launched and began on-orbit commissioning","source":"millennium-space.com"},{"date":"2024-10-01","type":"revenue_band","value":"Undisclosed","source":"Defense News / SpaceNews"}],"peers":[{"name":"Airbus Defence & Space","rank":8,"slug":"airbus-defence-space","score":"85"},{"name":"Thales Alenia Space","rank":12,"slug":"thales-alenia-space","score":"82.5"},{"name":"Muon Space","rank":20,"slug":"muon-space","score":"81"},{"name":"K2 Space","rank":22,"slug":"k2-space","score":"80.5"},{"name":"The Exploration Company","rank":26,"slug":"the-exploration-company","score":"79.5"},{"name":"Redwire","rank":28,"slug":"redwire","score":"79"}],"stage":"Subsidiary","state":"California","aliases":[],"country":"United States","domains":[{"why":"Millennium Space Systems designs and builds spacecraft platforms, including the Resolute mid-class platform and Epoch satellites, and is producing multiple spacecraft for government missions.","list":"Space 100","rank":23,"tier":"member","layer":"Satellites & spacecraft","total":80,"domain":"Space","scores":{"gate_ne":["firepower"],"leverage":10,"position":8,"progress":8,"firepower":10,"commercial":4,"deployment":6,"production":8,"technology":8},"edition":"November 2026","segment":"Platforms"}],"founded":null,"signals":[{"date":"2026-04-16","header":"Boeing and Millennium Space Systems are developing the Resolute mid-class satellite platform.","outlet":"SpaceNews"},{"date":"2024-08-29","header":"Firefly Aerospace appointed Jason Kim as chief executive officer effective October 1, 2024.","outlet":"Firefly Aerospace"},{"date":"2023-09-14","header":"Firefly Aerospace launched its Alpha rocket and deployed the VICTUS NOX spacecraft for the U.S. Space Force.","outlet":"Firefly Aerospace"},{"date":"2023-09-14","header":"Firefly Aerospace successfully tested an Alpha second-stage relight and targeted re-entry during the VICTUS NOX mission.","outlet":"Firefly Aerospace"},{"date":"2023-08-30","header":"Firefly Aerospace and Millennium Space Systems entered a six-month hot-standby phase for the VICTUS NOX mission.","outlet":"Firefly Aerospace"},{"date":"2023-08-30","header":"Firefly Aerospace and Millennium Space Systems rehearsed completing VICTUS NOX launch operations within 24 hours.","outlet":"Firefly Aerospace"}],"website":"https://millennium-space.com","category":"Space · Satellites & spacecraft","categories":[{"name":"Platforms","domain":"Space","parent":"Space · Satellites & spacecraft"}],"last_round":null,"updated_at":"2026-10-25T23:18:47.108753+00:00","facts_total":16,"positioning":"Millennium Space Systems is a wholly owned Boeing subsidiary that designs, builds, tests and operates agile small-satellite and mid-class spacecraft for national-security and scientific missions. Its current ecosystem reach includes the U.S. Space Force as the customer for 12 MEO missile-warning and tracking vehicles, NASA for the TRACERS mission, SpaceX as the 2025 launch provider, and Boeing for EO/IR payload integration and expanded production. The key open question is whether Millennium and Boeing can deliver the Epoch 1 MEO vehicles on the revised 2026-27 schedule amid broader government findings of spacecraft-readiness and constellation schedule risk.","sub_category":"Platforms","signals_total":6,"url":"https://www.frontiertechintelligence.com/companies/millennium-space-systems","title":"Millennium Space Systems · space, El Segundo, California, United States · scores, facts and signals · Frontier Tech Intelligence","description":"Millennium Space Systems designs and builds spacecraft platforms, including the Resolute mid-class platform and Epoch satellites, and is producing multiple spacecraft for government missions. Space 100 rank 23 (score 80) 6 signals and 16 facts with sources.","publisher":"Frontier Tech Intelligence (Future Frontiers, a trade name of Essential Cognition Inc.)","note":"Assessment by Frontier Tech Intelligence; facts and signals carry their sources."}