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Surtr Defense Systems Secures $4.8M

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Surtr Defense Systems, a startup aiming to unify the fragmented world of counter-UAS technology, has secured $4.8M in pre-seed funding from Y Combinator.

The YC P26 alum is developing ParallaxOS, an open operating system designed to connect disparate sensors, effectors, and software platforms into a single operational picture. Founded by former engineers from defense tech giants Anduril and Shield AI, Surtr aims to simplify integration and data sharing for defense operators, making existing systems work better together.

Daily Hard Tech Headlines: - American Turbines has launched out of stealth. The San Francisco startup is developing mass-manufacturable compact gas turbines designed for forward deployment. - Forterra, the ground-autonomy startup, has deployed more than 100 autonomous ground vehicles in Ukraine.

- Machina Labs, the Los Angeles robotic factory startup, has launched a dedicated defense subsidiary led by John Borrego. The business unit will focus on producing complex metal structures for applications such as hypersonics, UAVs, and missiles, expanding on the company’s existing aerospace and defense work. - Aurelius Systems has formed a partnership with American Rheinmetall focused on integra

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