SpaceX has secured a contract valued at about 6.45 billion dollars to develop the space layer of the US Golden Dome missile defense programme, positioning the company at the core of the system’s orbital communications and sensing architecture. The deal, signed on 26 May 2026 with the US Space Force, includes a 2.29 billion dollar award to build the Space Data Network backbone that will link global missile warning and interception assets.
The backbone contract covers a high-capacity, low-latency satellite communications network in low Earth orbit designed to route data between distributed sensors and interceptors in near real time. In parallel, SpaceX is expected to contribute to constellations for detection and tracking, including radar and Air Moving Target Indicator (AMTI) capabilities, as well as to integration functions described by officials as a glue layer connecting systems delivered by multiple defense primes. The broader 6.45 billion dollar figure cited in industry reporting likely aggregates this core award with additional options or follow-on phases related to satellite deployment and control infrastructure.
Golden Dome is conceived as a multi-layered US missile defense architecture integrating ground, sea, air and space-based sensors with interceptor systems to address advanced airborne and ballistic threats, including hypersonic weapons. Open-source estimates put the programme’s overall budget in the 175 to 185 billion dollar range, with several hundred satellites envisaged for its custody and AMTI layers, and an initial space segment service entry targeted around 2027–2028.
For the aerospace and defense sector, the contract underscores the accelerating role of commercial constellation operators in strategic missile warning and command-and-control networks, and signals a shift in US military space procurement towards large-scale, dual-use low Earth orbit infrastructures.