Defense and space startup ideas and companies

Newest in the cluster

• Streamline SystemsY Combinator F26readiness

  Precision navigation for UAVs operating without GPS.

• Inflection Space SystemsY Combinator F26readiness

  Hyperscaling space manufacturing

• Vernius Systems, Inc.Y Combinator S26readiness

  Mass-deployable radars for air defense

• ExosatY Combinator S26readiness

  Building a neutral, sovereign alternative to Starlink

• Mass MagneticsY Combinator S26readiness

  USA-made magnetics for robotics and defense.

• Isengard Industries IncY Combinator S26readiness

  Mass-produced AI strike systems and Counter-UAS

• GUILDY Combinator S26readiness

  AI-Native Defense Contractor

• Greypoint IndustriesY Combinator S26readiness

  Building drone swarms that hunt hidden enemies.

• IMPACT DronesY Combinator S26readiness

  Air Defense as a Service for Civilian Infrastructure.

• Earendil RoboticsY Combinator S26readiness

  Drone swarm defence at a small-unit level

• Hop AeroY Combinator S26readiness

  Rocket cargo delivery to contested environments

• Galileo Spacea16z speedrun SR007readiness

  We build AI-powered satellites for critical defense intelligence, delivering actionable insights in minutes instead of hours or days.