• SpaceX awarded $2.29 billion contract for Space Data Network Backbone.
• Contract covers low-Earth-orbit satellite constellation for military data network.
• SpaceX must deliver a fully operational prototype by end of 2027.
• SDN Backbone is part of Golden Dome missile defense initiative.

This contract may signal a significant expansion of SpaceX's role in national security satellite infrastructure, which could strengthen its position as a major player in the defense industry. The deal suggests a growing demand for advanced satellite technologies, which could benefit other companies in the sector.