Defense Innovation Fund is a French public-sector venture fund tied to the Ministry of the Armed Forces, backing defense and dual-use technology companies. It focuses on strategic technologies across defense, deep tech, computing, cybersecurity, AI, hardware, robotics, drones, and aerospace, with investment activity in France and broader Europe. The fund has participated in later-stage venture financings, including Series B rounds, making it relevant for founders building technologies with defense, security, or military capability applications.