Defense technology startup Anduril has become the third U.S. supplier of solid rocket motors, breaking into a market dominated by two defense primes, the company announced on Tuesday.

Anduril is one of a few new entrants eyeing the solid rocket motor business after demand has skyrocketed during the Russia-Ukraine war and conflict in the Middle East. For decades, only two domestic suppliers have produced SRMs: Aerojet Rocketdyne, which was bought by L3Harris, and Northrop Grumman.

The eight-year-old company has opened a full-rate production facility in McHenry, Mississippi, where it plans to pump out 6,000 motors annually by the end of 2026. The team has test-fired more than 700 motors since January 2024, the company said.

In their press release, Anduril critiqued the processes of cu

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