Sierra Space raises $550 million in Series C funding

...the who's who,
and the what's what
of the space industry

Space Careers

Astronautics (1)

Space News

Search News Archive

Sierra Space raises $550 million in Series C funding

Written by Sandra Erwin Thursday, 05 March 2026 12:00

font size decrease font size increase font size
Print
Email

Investment comes as company shifts toward national security programs

The post Sierra Space raises $550 million in Series C funding appeared first on SpaceNews.

Member

Join us today !

Join our growing community of space professionals.

Sign up here...

Set Language

Latest Organisations

Green Orbit Digital

Green Orbit Digital is a Leicester-based marketing agency dedicated to helping mission-driven organi...

AXTAL GmbH

“AXTAL” stands for ”Advanced XTAL Products”, where "XTAL" is a common abbreviation of "crystal“. AX...

ONiRiXEL

High end 3D animation, CGI video, motion graphics, visual effects and film post-production studio.&n...

University of Pardubice

The University of Pardubice builds on an almost seventy-year long tradition of higher edu...

Aristotle University of Thessaloniki

The Aristotle University of Thessaloniki is the largest university in Greece. The main campus is loc...

European Union Agency for the...

EUSPA is the only European Union agency dedicated to space. Our unique mission is to serve as t...

Tunisian Propulsion Laboratory

Tunisian Propulsion Lab (TPL), A nonprofit organization (NPO) concerned of developing an advanced am...

Tunisian Propulsion Laboratory

Tunisian Propulsion Lab (TPL), A nonprofit organization (NPO) concerned of developing an advanced am...

Drone Major Group

Bringing your ideas to life across a range of technology sectors Drone Major Group serves to...

California Institute of Technology

Caltech is a world-renowned science and engineering institute that marshals some of the worl...

ADS - Airbus Defence &...

As a proven leader in the global aerospace sector, Airbus designs, produces and delivers innovative ...

European Satellite Operators' Association (ESOA)...

The European Satellite Operators' Association (ESOA) was formed in March 2002 to represent the ...

NASA - National Aeronautics and...

The National Aeronautics and Space Administration (NASA) is the agency of the United States govern...

ECMWF - European Centre for...

The European Centre for Medium-Range Weather Forecasts (ECMWF) is an independent intergovernmental o...

EUMETSAT

The European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) is ...

Latest Products

Space Domain Knowledge Organization and...

A suite of modular but linkable AI knowledge organization systems -- conceptual data models, ontolog...

AXIOM6060 OCXO 100 MHz Class...

Ultra-Low Phase Noise 100 MHz OCXO Class 1 for Space Application Qualified according to MIL-PRF-5...

Spectratime Rubidium Atomic Frequency Standard...

Spectratime RAFS is designed with the latest technologies, providing advanced features, such as long...

Cormorant cubesat transceiver

Cormorant Being a crucial component our transceivers provide TT&C functionality while keeping l...

PULSAR - TM/TC

Our software-defined radios are highly adaptable communication solutions that have a 100% success ra...

PULSAR - Compact Transmitter

Our software-defined radios are highly adaptable communication solutions that have a 100% success ra...

PHOTON CubeSat Solar Array

Designed and qualified for maximum power generation and ease of platform integration. Our off-the sh...

STARBUCK-MICRO - Power Conditioning &...

The Starbuck-Micro PCDU (Power Conditioning and Distribution Unit) was initially developed under a S...

STARBUCK-NANO - Power Conditioning &...

Designed to be robust and reliable with performance failsafes, the flight proven STARBUCK-NANO range...

STARBUCK-MINI - Power Conditioning &...

AAC Clyde Space’s small satellite PCDU (Power Conditioning and Distribution Unit) solutions ha...

OPTIMUS-30/40/80 - Battery

OPTIMUS batteries offer high capacity with low mass and volume. Our high quality lithium polymer bat...

SIRIUS OBC DEVELOPMENT KIT -...

Designed for advanced nano-satellite constellations in LEO and deep space exploration missions the r...

SIRIUS TCM LEON3FT - Command...

Flight proven across multiple mission applications for a range of customer requirements, this readil...

SIRIUS OBC LEON3FT - Command...

Designed for advanced nano-satellite constellations in LEO and deep space exploration missions the r...

KRYTEN-M3 - Command & Data...

Developed to deliver ‘always-on’ operation, KRYTEN-M3 computing solutions work every time on time. F...

EPIC SPACECRAFT - 1U

Our experience in the delivery of CubeSat missions for a wide range of applications means that our E...

EPIC SPACECRAFT - 6U

Our experience in the delivery of CubeSat missions for a wide range of applications means that our E...

EPIC SPACECRAFT - 3U

Our experience in the delivery of CubeSat missions for a wide range of applications means that our E...

EPIC SPACECRAFT - 12U

Our experience in delivery of CubeSat missions for a wide range of applications means that our EPIC ...

COPERNICAL.COM

COPERNICAL.COM is the space professionals networking portal and is aimed at facilitating c...

Latest Projects

Space Domain Knowledge Modeling and...

Developing accurate, consistent, reusable, multi-lingual, scalable, customizable & computable kn...

ARTES (Advanced Research in Telecommunications...

ARTES is ESA's (European Space Agency) long-running, large-scale program to support the development ...

LSTM Copernicus - Land Surface...

LSTM is a next generation ESA mission within the Copernicus program to complement Sentinel observati...

Vega - rocket

Vega (Vettore Europeo di Generazione Avanzata - European Advanced Generation Carrier) is an expendab...

TARANIS (Tool for the Analysis...

TARANIS is a CNES microsatellite mission, proposed by LPCE (Laboratoire de Physique et de Chimie de ...

SEOSat - Ingenio - Earth...

Ingenio, Spanish for “ingenuity”, is an optical high-resolution imaging mission of Spain - the flags...

Ariel Space Mission

Ariel, the Atmospheric Remote-sensing Infrared Exoplanet Large-survey, was selected as the fourth me...

Galileo Navigation Program

Galileo is a joint initiative of the European Commission (EC) and the European Space Agency (ESA). G...

Copernicus: Sentinel-6 - Michael Freilich...

Jason-CS is the second component of the hybrid solution (Jason-3 + Jason-CS) agreed to in 2009. Jaso...

Copernicus: Sentinel-5P - Precursor -...

Sentinel-5P (or S-5P, or S5P) is an approved LEO pre-operational mission within the European GMES (G...

Copernicus: Sentinel-4 - GEO Component...

The Sentinel-4 (S-4) mission within the context of Copernicus represents the geostationary component...

Copernicus: Sentinel-5 - Atmospheric Monitoring...

Sentinel-5P (or S-5P, or S5P) is an approved LEO pre-operational mission within the European GMES (G...

Copernicus: Sentinel-3 - Global Sea/Land...

The Sentinel-3 (S3) mission of ESA and the EC is one of the elements of the GMES (Global Monitoring ...

Copernicus: Sentinel-2 - The Optical...

Sentinel-2 is a multispectral operational imaging mission within the GMES (Global Monitoring for Env...

Multi-Task Logistic Module

The idea is to develop a modular logistic vehicle capable to provide in the future continuous logist...

Copernicus: Sentinel-1 - The SAR...

Sentinel-1 is the European Radar Observatory, representing the first new space component of the ...

MetOp (Meteorological Operational Satellite Program...

MetOp-A is Europe's first polar-orbiting (LEO) satellite dedicated to operational meteorology. The M...

SOHO (Solar and Heliospheric Observatory)...

SOHO is an ESA/NASA collaborative mission within ESA's `Solar Terrestrial Science Program' (STSP), a...

Alphasat I / Inmarsat-XL (Inmarsat-Extended...

Alphasat is a mobile communications service spacecraft in GEO of Inmarsat Plc. of London, UK, referr...

NanoSail-D2

NanoSail-D2 is a technology demonstration experiment of NASA with the primary objective to deploy a ...

Latest Blogs

Latest Groups

apointmedia

Missions

Open

1 User

aussietopescorts

Open

1 User

EUROPEAN Global Navigation Satellite Systems Agency

Missions

Open

10 Users

European Space Agency, ESA

Organisations

Open

31 Users

Latest Network Activity

ERM Global Investors joined COPERNICAL

apointmedia apointmedia joined a group

EUROPEAN Global Navigation Satellite Systems Agency

Missions Open 11 Users

apointmedia apointmedia created a group

apointmedia

Missions Open 1 User

apointmedia apointmedia joined COPERNICAL

Ryan Laird joined a group

European Space Agency, ESA

Organisations Open 32 Users

Ryan Laird joined COPERNICAL

Paolo Musi and Dilek Sarikaya joined COPERNICAL

George Sekulla is now connected with Zahra Foroutanian

David Baynes

Zahra Foroutanian joined a group

European Space Agency, ESA

Organisations Open 32 Users

Zahra Foroutanian updated their profile picture

Zahra Foroutanian

Thomas Fozzi joined a group

European Space Agency, ESA

Organisations Open 32 Users

Thomas Fozzi

Interested in Space?

Hit the buttons below to follow us...

Space Careers

Search News Archive

Title

Article text

Keyword

Sierra Space raises $550 million in Series C funding

Interested in Space?

Space Careers

Search News Archive

Title

Article text

Keyword

Sierra Space raises $550 million in Series C funding

Other Related Items (based on tags)