The Congressional Budget Office (CBO) projects the Golden Dome missile defense system will cost $1.2 trillion over 20 years. This estimate covers the total construction and maintenance of the expanded shield. The new figure significantly exceeds the $185 billion estimate previously provided by the Pentagon.

Lockheed Martin acts as the primary contractor for the nation's missile and air defense infrastructure. The company will develop critical components including ground-based interceptors and sensor networks. This program seeks to substantially increase existing United States missile defense capabilities.