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Defense technologyYC Fall 2026 RFS

The Future of American Defense: founder validation breakdown

Original RFS by Daniel P. Driscoll, US Secretary of the Army. Source: Y Combinator Requests for Startups.

The RFS in plain English

The Army is looking for low-cost interceptors and modular defense components that can move faster than traditional procurement.

Why now

Modern combat is exposing the gap between expensive legacy systems and fast-changing, low-cost threats in the field.

IdeaCheck angle

A credible startup here needs a narrow component wedge, field-testable performance, and a path through government procurement that does not take years.

Founder trap to avoid

Defense demand is real, but distribution is brutal: certification, trust, contracting, hardware iteration, and long sales cycles can bury weak teams.

A concrete idea to test

A low-cost sensor and guidance module that helps small interceptor systems reduce cost per successful defensive action.

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