Trump’s Golden Dome cost hits $185B

At the McAleese Defense Programs Conference in Arlington, Virginia, on Tuesday, program director Michael Guetlein put the total price for President Donald Trump’s Golden Dome missile defense at $185 billion, up $10 billion from earlier plans. He named Lockheed Martin, RTX and Northrop Grumman as prime contractors.

The higher estimate reflects expanded work on space-based tracking, according to Guetlein, who characterized the total as well below speculation of more than $1 trillion.

New funding will accelerate the Advanced Missile Tracking Initiative and the Hypersonic and Ballistic Tracking Space Sensor. These satellite programs are designed to detect and track high-speed threats from launch through flight and feed data to ground systems.

The architecture pairs those orbital sensors with ground-based interceptors and radars intended to identify and defeat ballistic missile attacks.

Unveiled last year, Golden Dome is modeled on Israel’s Iron Dome concept. The U.S. design adds an orbital layer to address long-range ballistic missiles and maneuvering hypersonic weapons. The approach has drawn questions about the maturity of some space technologies and how quickly they can be deployed while rivals, including China, expand their capabilities.

Several companies contributed during early work, including SpaceX, Palantir Technologies, Anduril and Boeing, on tasks such as launch services, satellite integration, software and command-and-control. SpaceX and Palantir were viewed as leading contenders on portions of the program before the prime awards.

A related contracting vehicle run by the Missile Defense Agency, the Scalable Homeland Innovative Enterprise Layered Defense, or SHIELD, carries an estimated value of $151 billion and lists more than 2,400 vendors. SHIELD is intended to provide technologies and services that feed Golden Dome’s design, testing and sustainment.

Industry suppliers are positioning for the space tracking build-out. L3Harris Technologies has stated it can deploy more than 45 satellites for hypersonic missile tracking to support the planned constellation. The company has also partnered with Joby Aviation to develop hybrid military aircraft that could support testing, logistics or sensor deployment tied to missile defense operations.

A detailed schedule was not provided. Guetlein did not specify when work packages led by the new prime contractors would shift from design to production or when an initial operating capability might be reached.

According to program officials, the $10 billion increase aims to speed critical space sensors and improve tracking performance against emerging threats, rather than expand the scope beyond previously announced objectives.

In its first year, the program has focused on systems engineering, sensor architectures and integration planning across service branches and agencies. As prototyping and testing ramp up, the prime contractors are expected to align subcontractors from the broader industrial base, many of whom are active under SHIELD and related awards.

The planned mix of ground and space assets is designed to provide continuous coverage from early warning through intercept. The space segment targets gaps in detecting dim or fast-moving objects, including hypersonic glide vehicles that fly at lower altitudes and can maneuver, which makes them harder to follow with traditional radars.

Budget details beyond the $185 billion topline were not released. The current plan funds sensor development, command-and-control software, ground infrastructure and an initial wave of satellites, with costs to be reviewed as technologies mature and contracting progresses.