The Space Development Agency has awarded contracts totaling up to $1.75 billion to build 36 satellites for the Trump administration's Golden Dome missile-tracking system. The agency partnered with two companies to develop these spacecraft, which form part of an overarching effort to create a space-based early warning network against hypersonic and advanced missile threats.

Golden Dome represents a modernization of America's existing missile-warning infrastructure. The current system relies on aging geostationary satellites that detect heat signatures from missile launches. The new constellation would operate in lower orbits, enabling faster detection and more precise tracking of fast-moving targets that older sensors struggle to monitor.

The Space Development Agency, established in 2019, coordinates the Pentagon's space technology acquisitions. The agency has prioritized building resilient satellite networks spread across multiple orbital altitudes rather than relying on a few expensive, vulnerable spacecraft. This approach reflects Pentagon concerns about potential adversaries developing anti-satellite weapons.

The Golden Dome initiative builds on earlier Space Development Agency projects like the Proliferated Warfighter Space Operations Center program, which integrates data from satellites and ground systems. By distributing sensor coverage across numerous smaller satellites, the military aims to reduce vulnerability to targeted attacks while improving detection capabilities.

The contract represents a significant investment in space-based military infrastructure at a moment when competition for orbital dominance intensifies between the United States, China, and Russia. Each nation views space-based sensors as essential for early warning systems and command-and-control networks.

The Space Development Agency has not disclosed the specific companies selected or detailed specifications for the satellites. Previous Space Development Agency contracts have involved companies like Space Dynamics Laboratory, Northrop Grumman, and others competing for defense space work. The agency typically releases more details about contractors and timelines following formal announcements.

Deployment timelines and operational readiness dates remain unclear. The $