DARPA is a U.S. government research and development agency in Arlington, Virginia that allocates non-dilutive funding and contracts for high-risk, transformational technologies tied to U.S. national security. It backs academic, industry and government performers through challenges, seedling projects and multi-year R&D programs, rather than conventional venture equity rounds. Founder fit is strongest for teams in defense, deep tech, aerospace, AI, cybersecurity, robotics, space, biotechnology, hardware and information technology seeking U.S.-focused program funding or commercialization pathways.