BAE Systems has signed a contract with Lockheed Martin for Terminal High Altitude Area Defense (THAAD) in the United States MissileDesign and manufacture the next-generation infrared seeker technology for interception systems. This type of seeker can provide critical guidance for intercepting missilesSensingAnd guidance capabilities help protect the United States and its allies from ballistic missile attacks.

With the help of BAE Systems' infrared guidance technology, the interception missiles of the THAAD system can destroy incoming ballistic trajectories with kinetic energy outside or inside the atmosphere.