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DefDex
Thermopylae Aerospace logo

Startup · United States

Thermopylae Aerospace

HQ San Francisco, California1-10 employeesUpdated

Develops technology intended to reduce the cost of air defense.

Website

Funding1 round · $1.6M

Equity raised
$1.6M
Latest
$1.6MPre-Seed · Nov 26, 2025
  • Pre-Seed
    $1.6M
    Nov 26, 2025

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Capabilities1

  • Developer
    classify_sectors run 37, haiku, taxonomy 2026-10-18b: Technology is 'intended to reduce the cost of air defense', which serves military air defense customers.
    —Reported

Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.

People
PersonRole
Yehor BalytskyiCo-Founder CEO

Sources2

Profile1

  1. 1

    Sixth-Domain · Supports Organization · kind

    “{"group": "startups", "id": "958804db-fc06-4e26-8ae2-5cb83fff0e5c", "name": "Thermopylae Aerospace"}”

Funding1

  1. 2

    Thermopylae Aerospace · Supports Funding round, Organization · country, Organization · description, Organization · employee range, Organization · hq city, Organization · hq region, Organization · linkedin url, Organization · name, Organization · website, Role

    “funding round: Pre Seed Round, 2025-11-26, USD 1,600,000, lead: Naval Ravikant;UA1 VC”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.