electronic-warfare
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CRFS Built a Map for the Invisible Battlefield
Its rugged blue-and-white boxes do not transmit. They listen - then turn crowded radio noise into locations, alerts and evidence for militaries, regulators and intelligence teams.
The Liverpool radar shop that turned a $151 billion missile-defense door into an open one
A 58-person shop in upstate New York builds software-defined radar - and just landed on a defense contract worth up to $151 billion.
Vector Sells the Pentagon a Subscription to Modern Warfare
A 14-month-old drone maker out of Salt Lake City wants to sell the U.S. military warfare the way Adobe sells Photoshop - as a service, updated constantly, billed like a subscription.
Distributed Spectrum
Distributed Spectrum builds AI-powered radio-frequency sensors and software that automatically detect, classify, and locate signals - drones, jammers, tactical radios, GPS spoofers - in real time. Founded by three Harvard engineers, the company packs commercial hardware and edge AI into sub-one-pound sensors that give soldiers and analysts persistent spectrum awareness without specialist RF expertise. It raised a $25M Series A in March 2025 and has fielded systems with US military branches and partners in Ukraine.
Chariot Defense
Chariot Defense is a South San Francisco defense-technology company building hybrid-electric power systems for the battlefield. Its Amphora platform delivers quiet, high-density, software-controlled power to distributed military hardware - drones, sensors, radios, electronic-warfare and directed-energy systems - so that energy never becomes the limiting factor in a fight. Founded in 2024 by former Anduril and Archer engineer Adam Warmoth, the company raised a $34M Series A led by Andreessen Horowitz in February 2026, bringing total funding to roughly $41-42M, and has fielded its systems with the U.S. Army and the Defense Innovation Unit.
S2 Corporation
S2 Corporation is a Bozeman, Montana photonics company that reads the radio spectrum the way a hologram stores an image - all at once. Its core technology, spatial-spectral (S2) holography, uses a cooled, sugar-cube-sized crystal doped with rare-earth atoms as an optical computer that captures and processes radio frequencies across enormous instantaneous bandwidths (0.03 to 110 GHz). Packaged as the Extreme Bandwidth Analyzer and Correlator (EBAC), the technology serves electronic warfare, signals intelligence, RF spectrum monitoring, emitter geolocation, and data mining for U.S. defense and intelligence customers including DARPA and IARPA.
CX2
CX2 (CX2 Industries) is an El Segundo, California defense-technology startup building AI-enabled hardware and software for the electromagnetic spectrum. Its systems detect, classify, geolocate, and disrupt hostile RF emitters in jammed and GPS-denied environments, aiming to give allied forces an edge in electronic warfare at a fraction of the cost of legacy systems. Founded in 2024 by a team including Nathan Mintz, Porter Smith, Lee Thompson, and Mark Trefgarne, CX2 has raised about $46M, led by a $31M Series A from Point72 Ventures, and launched its Wraith airborne EW platform in December 2025.