The extension of the Concepts and Operations for Space and Missile Defense Integration Capabilities contract is worth $85 million, the company said.
Under the extension, BAE Systems will continue to provide research, engineering and technical services for the development and understanding of missile defense methods and technologies.
"This award continues a long-standing relationship with the Space and Missile Defense Command,'' said Tom White, senior director of Mission Support Solutions at BAE Systems.
"The support we provide to the Future Warfare Center helps accelerate the development and fielding of Space and Missile Defense capabilities and forces."
BAE has work under the contract awarded in 2006 has included development and integration of electronic systems for surveillance and reconnaissance missions.
BAE said its work under the program is performed at company facilities in Alabama and Colorado.