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Millennium Space Systems

Delivers national-security space missions and constellations

Overview

Millennium Space Systems provides space systems for national security, delivering missile-warning and other space missions by rapidly creating affordable prototypes and satellite constellations across different orbits. Its products are designed to work correctly the first time, with an emphasis on speed to meet customer needs. The company differentiates itself by offering fast, cost-effective prototype-and-constellation solutions rather than long, expensive development cycles, focusing on reliable performance for critical space missions. The goal is to enable secure, rapid, and dependable space capabilities for national security customers.

Significant Headcount Growth

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About Millennium Space Systems

Simplify's Rating
Why Millennium Space Systems is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Industrial & ManufacturingAerospaceDefense

Company Size

501-1,000

Company Stage

N/A

Total Funding

N/A

Headquarters

El Segundo, CA

Founded

2001

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Simplify's take

What believers are saying

  • April 2026 Resolute launch expands addressable demand in communications, sensing, and sovereign missions.
  • Millennium increased feeder-factory space to 22,000 square feet, supporting higher-rate output now.
  • June 2025 TRACERS delivery and eight-satellite FOO Fighter work reinforce customer trust.

What critics are saying

  • Boeing's 26-delivery 2026 target creates execution risk across Millennium's expanding backlog.
  • FOO Fighter and TRACERS tie capacity to government schedules; slippage damages credibility by 2027.
  • If Boeing integration fails, Millennium becomes a commoditized subsystem shop inside a slower parent.

What makes Millennium Space Systems unique

  • Millennium owns Boeing's rapid small-sat factory, flight-proven avionics, and repeatable manufacturing.
  • Resolute fills the 2-4 kilowatt gap between small satellites and Boeing GEO platforms.
  • The company pairs compressed schedules with maneuverable, mission-specific spacecraft for defense customers.

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Benefits

  • Professional Development Budget
  • 401(k) Company Match
  • Remote Work Options
  • Paid Vacation
  • Paid Sick Leave
  • Paid Holidays
  • Hybrid Work Options
  • Mental Health Support
  • Wellness Program

Growth & Insights and Company News

6 month growth

2%

1 year growth

26%

2 year growth

26%
Channel NewsAsia
Apr 16th, 2026
Boeing unveils satellite platform, targets 26 deliveries in 2026.

Boeing unveils satellite platform, targets 26 deliveries in 2026. 16 Apr 2026 10:31PM (Updated: 16 Apr 2026 10:33PM) Add CNA as a trusted source to help Google better understand and surface our content in search results. April 16: Boeing and its unit Millennium Space Systems are working together to expand production capacity and launch a new satellite platform as they look to fulfill a growing backlog of orders, the aerospace firms said on Thursday. Boeing is targeting 26 satellite deliveries in 2026, up from just four in 2025. The company is looking to tap increasing reliance on satellite infrastructure from defense and internet connectivity sectors. The new mid-class satellite platform, Resolute, will address missions that require "more capability than a traditional small satellite can provide, with greater speed and flexibility than a typical large satellite program," Boeing said in a release. Boeing said it will invest in integrating its products with that of Millennium's to boost production. Space-based technologies, from satellite-enabled communications to surveillance, are increasingly shaping modern conflict. The tech was used during the U.S. strikes in Venezuela and in the U.S.-Israeli war on Iran this year.

PR Newswire
Jun 16th, 2025
Millennium Space Systems Delivers Pair Of Space Vehicles To Launch Site For Nasa'S Tracers Mission

EL SEGUNDO, Calif., June 16, 2025 /PRNewswire/ -- Millennium Space Systems, a Boeing Company, delivered two space vehicles for NASA's Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) mission to Vandenberg Space Force Base Friday, marking a key milestone in preparation for launch later this year

Envision Employment Services Incorporated
Apr 9th, 2025
Boeing's bet: supercharge satellite production

When Envision Employment Services Incorporated acquired Millennium in 2018, it built prototypes and delivered one or two satellites a year.

StockTitan
Dec 16th, 2024
Millennium Space Systems Names Tony Gingiss as CEO

Millennium Space Systems, a Boeing Company [NYSE: BA], has appointed Tony Gingiss as its new CEO effective December 9, 2024.

Sightline Media Group
Oct 28th, 2024
U.S. Enhances Early Warning System with New Satellite Batch for Epoch Program

Millennium Space Systems signed the initial contract to deliver the first six satellites for MTC Epoch 1 in 2023.

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