T3 Defense Inc. acquires and operates aerospace and defense businesses in the United States and Israel. It engages in supplying generators for iron dome launchers and defense systems; defense and aerospace applications, including GPS-denied navigation, 3D mapping, simulation systems, and AI training platforms; design and manufacture of motion control systems for military and civilian use; and distribution of advanced drone payload systems for defense and homeland security markets. The company also offers unmanned arial systems and services; design, development, production, and manufacturing of serial, fully integrated electro-mechanical machines, and sophisticated assembly lines. In addition, it is involved in aviation and defense infrastructure, such as logistics hubs, maintenance, repair, and operations facilities, and aircraft modernization capabilities. The company was formerly known as Nukkleus Inc. and changed its name to T3 Defense Inc. in February 2026. T3 Defense Inc. was founded in 2013 and is headquartered in New York, New York.