Black Flag

Accelerator, Incubator, FellowshipActive
Type: AcceleratorInvestment: $500,000-$5,000,000Applications: RollingFormat: RollingLocation: CA, USAWebsiteApply

Black Flag is a virtual accelerator program run by Harpoon Ventures in partnership with Shield Capital and In-Q-Tel, providing $250K to $1M in funding to founders building critical technologies for American national security and technological leadership across aerospace, biology, defense, energy, and robotics. The accelerator accepts approximately 1% of monthly applications on a rolling basis, with 24-day decision windows, providing direct access to U.S. military branches, DARPA, DIU, the Department of Energy, and federal procurement relationships. The virtual personalized support model is designed for founders focused on critical infrastructure and government adoption pathways. Geographic focus is primarily U.S.-based, seeking founders building audacious technologies addressing gaps in American technological leadership in defense, AI, robotics, manufacturing, energy, and cybersecurity.

Defense Tech

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