Military Space News
SPACEMART
Muon Space secures $146 million to scale satellite manufacturing and defense constellations
illustration only
Muon Space secures $146 million to scale satellite manufacturing and defense constellations
by Clarence Oxford
Los Angeles CA (SPX) Jun 16, 2025

Muon Space has finalized an $89.5 million Series B1 funding round, bringing its total Series B raise to $146 million. The new capital mix includes $44.5 million in equity and $45 million in credit facilities, building on the initial Series B secured in August 2024.

Leading the B1 round was Congruent Ventures, with continued support from Activate Capital, Acme Capital, Costanoa Ventures, and Radical Ventures, alongside new participation from ArcTern Ventures. The funding will accelerate Muon's scale-up strategy, expanding its satellite production capacity, vertically integrating key systems such as propulsion and infrared/radio frequency instruments, and enhancing its automated constellation operations platform and global ground station footprint.

With a 50% workforce increase since December and over $100 million in contracts signed in 2024, Muon's growth includes a major deal with SNC to develop satellites for the Vindler commercial RF sensing network.

"We're focused on delivering mission-optimized satellite constellation systems to customers at unprecedented speed," said Jonny Dyer, CEO of Muon Space. "High-performance constellations require the speed, cost, consistency, and performance of volume production - they can't be built one satellite at a time. We are building the world's first automated, high-mix, high-volume constellation manufacturing system. It's always been about the mission - now we're delivering it at scale."

"Muon is building the high-performance scale solution the space industry has been missing," added Joshua Posamentier, Managing Partner at Congruent Ventures. "By fulfilling mission requirements with a configurable, vertically integrated platform spanning hardware, software, and operations, they deliver a unique path to on-orbit capabilities - at a pace and price point that commercial, civil and national security customers urgently need."

As part of its vertical integration efforts, Muon has acquired Starlight Engines, a propulsion innovator that created the first commercially available solid propellant Hall-effect thruster. Starlight's zinc-fueled system offers a safer and more scalable alternative to xenon and krypton-based propulsion, removing the need for high-pressure fluid management and enabling simpler, more compact system designs.

Paul Day, VP of Spacecraft Production at Muon, emphasized the significance: "What Todd and Mark have achieved at Starlight is a fundamentally more elegant and practical solution - solid-state, scalable, throttleable, and safer to handle. By bringing this technology in-house and integrating it into our Halo platform, we can accelerate delivery timelines while improving both schedule reliability and overall mission performance."

To support production growth, Muon has launched a 130,000-square-foot manufacturing and test center in San Jose, California. Purpose-built for vertical integration, the site includes 70,000 square feet of manufacturing space and 30,000 square feet of cleanrooms across multiple classifications. It can support annual production of up to 500 satellites in the 100kg to 500kg+ range and features secure zones for classified work, optical and propulsion integration, and a dedicated mission operations center.

The facility operates primarily on a 300 kW solar array and includes advanced environmental testing equipment, ensuring spacecraft meet rigorous qualification standards.

Related Links
Muon Space
The latest information about the Commercial Satellite Industry

Subscribe Free To Our Daily Newsletters
Tweet

RELATED CONTENT
The following news reports may link to other Space Media Network websites.
SPACEMART
AST SpaceMobile Gains Long-Term Access to 45 MHz Mid-Band Spectrum Across North America
Los Angeles CA (SPX) Jun 16, 2025
AST SpaceMobile (NASDAQ: ASTS) has announced a Settlement Term Sheet involving Ligado Networks, Viasat, and Inmarsat that, once finalized, will provide the company with long-term access to up to 45 MHz of valuable lower mid-band spectrum in the U.S. and Canada for its direct-to-device satellite services. Under the agreement, Inmarsat will support AST SpaceMobile's rights to use up to 40 MHz of L-Band spectrum in North America for over 80 years, plus an additional 5 MHz in the 1670-1675 MHz band in ... read more

SPACEMART
NATO partners with Planet Labs to boost global surveillance and early warning capability

Trump 'Golden Dome' plan tricky and expensive: experts

Trump's Golden Dome rethinks defense against long-range threats

York preps first Dragoon Mission for Missile Warning and Warfighter Connectivity constellation

SPACEMART
Israelis emerge from shelters to devastation after Iran attacks

Israeli hospital, Tel Aviv area struck by Iranian missiles: officials

Iran says 'main target' of attack that hit Israel hospital was military site

Iran says hypersonic missiles fired at Israel as Trump demands 'unconditional surrender'

SPACEMART
First SIRTAP tactical drone prototype completes assembly ahead of ground trials

Russian drone and missile barrage on Kyiv kills seven

Two Iranian drones shot down in Iraq by international coalition: officials

Jordan says intercepted drones, missiles in its airspace

SPACEMART
France finds cash for 'strategic asset' satellite firm Eutelsat

Eutelsat to Deliver Low Orbit Satellite Services Under New French Defense Agreement

Skynet 6A military satellite advances with successful module integration

Skynet 6A reaches integration milestone as Airbus prepares next-gen military satellite

SPACEMART
Innovative solutions for climate control in military forward bases

Finnish MPs approve withdrawal from anti-mine treaty

Use of US bunker-buster bomb looms over Iran conflict

B61-13 gravity bomb reaches first production milestone ahead of projected timeline

SPACEMART
NATO strikes spending deal, but Spain exemption claim risks Trump ire

Belgium wants NATO flexibility following Spain's 'noisy' outburst

Protesters slam war profiteering, Israel at French air fair

Israel vows court fight as France walls off displays at Paris Air Show

SPACEMART
'Highly undesirable': Dutch host NATO during political crisis

Can NATO keep Trump on-message about Russia threat?

Israel-Iran war: Trump weighs direct U.S. involvement

Dalai Lama to issue July 2 message, expected to address succession

SPACEMART
Subscribe Free To Our Daily Newsletters




The content herein, unless otherwise known to be public domain, are Copyright 1995-2024 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. All articles labeled "by Staff Writers" include reports supplied to Space Media Network by industry news wires, PR agencies, corporate press officers and the like. Such articles are individually curated and edited by Space Media Network staff on the basis of the report's information value to our industry and professional readership. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. General Data Protection Regulation (GDPR) Statement Our advertisers use various cookies and the like to deliver the best ad banner available at one time. All network advertising suppliers have GDPR policies (Legitimate Interest) that conform with EU regulations for data collection. By using our websites you consent to cookie based advertising. If you do not agree with this then you must stop using the websites from May 25, 2018. Privacy Statement. Additional information can be found here at About Us.