This Week in Startups

The Defense Tech Startup YC Kicked Out of a Meeting is Now Arming America | E2280

48 snips
Apr 25, 2026
Will Edwards, founder of Firehawk Aerospace, joins Maruchi Kim, a former Apple engineer and wearable AI researcher. They dig into 3D-printed rocket propellant, scaling missile production, and why defense startups are in a high-stakes race. Then it shifts to camera-equipped earbuds, subtle visual AI, translation, safety, accessibility, and a possible app ecosystem for wearable intelligence.
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ADVICE

Build What Big Companies Ignore

  • Start a company around a problem too small for big incumbents to prioritize, especially anything under 10% of their revenue.
  • Jason Calacanis says sub-1% opportunities look like distractions to Amazon or Google but like huge businesses to startups.
ANECDOTE

Firehawk Got Kicked Out of a YC Meeting

  • Will Edwards said Firehawk pivoted from space to defense in 2020 because he saw earlier funding and less direct competition.
  • Y Combinator reportedly ended Firehawk's in-person interview after hearing it was a defense startup, years before defense became fashionable.
INSIGHT

How Firehawk Rebuilt Missile Propellant Manufacturing

  • Firehawk replaces a slow, dangerous two-month propellant casting process with pelletized feedstock that can be printed or compression molded in minutes or hours.
  • Will Edwards says the approach can 5x output, cut costs in half, and remove humans from hazardous ammonium perchlorate handling.
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