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Thermopylae

Hawthorne, United States

pre-seed$1.6M raisedDefense TechDrones & UAVAviation Tech

Total Raised

$1.6M

Stage

pre-seed

Location

Hawthorne, United States

Founded

2025

Team size

1-10

Links

About Thermopylae

Ukrainian-led interceptor drone startup building lightweight foldable quadcopters designed to counter low-cost drones and glide bombs.

What sets it apart

It aims to make air defense economically sustainable by pairing a sub-$10,000 partially reusable interceptor with rapid-deployment launch and thermal guidance.

Sectors

Defense TechDrones & UAVAviation TechRoboticsautonomous systems

Business

Modelhardware

Customermilitaries, defense ministries, and frontline air defense operators

Notable

  • Raised $1.6M in pre-seed funding
  • Built and demoed a working prototype
  • Secured initial backing from Founders, Inc.
  • Planning frontline testing in Ukraine

Funding rounds

26 Nov 2025

Led by Naval Ravikant, UA1

With Norgard Capital, SGA Capital, Cyrus Ventures, Founders, Inc.

Source ↗

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FAQ

What does Thermopylae do?

Ukrainian-led interceptor drone startup building lightweight foldable quadcopters designed to counter low-cost drones and glide bombs.

Where is Thermopylae based?

Thermopylae is based in Hawthorne, United States, founded in 2025.

How much has Thermopylae raised?

Thermopylae has raised $1.6M in tracked funding and is currently at the pre-seed stage.

Who has invested in Thermopylae?

Investors in Thermopylae include Naval Ravikant, UA1, Norgard Capital, SGA Capital, Cyrus Ventures and Founders, Inc..