How a Gen Zer built a $3.7 billion defense tech startup backed by Sequoia
- Posted on September 28, 2026
- By Fortune
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- 1 min read
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How a Gen Zer built a $3.7 billion defense tech startup backed by Sequoia
Ethan Thornton launched Mach Industries at 19. Three years later, the startup is raising hundreds of millions and manufacturing autonomous defense systems.