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The U.S. Space Force is pursuing advanced technologies for space-based interception systems to target ballistic missiles during their boost phase within the atmosphere. A solicitation under the Small Business Innovation Research (SBIR) program indicates the goal is to develop and integrate high-G propulsion systems, advanced warheads, and compact interceptor systems for space-based architectures, facilitating rapid detection-to-interception timelines.

The solicitation opens on January 7 and closes on January 28. Earlier this month, the Space Force also issued a solicitation for space-based midcourse interceptors to combat missiles during their flight phase in space.

Both systems are part of the 'Golden Dome' missile defense program, announced by President Donald Trump in January 2025, aiming to protect the U.S. from ballistic missiles and hypersonic threats. The Space Force recently awarded contracts for prototypes and is interested in research for more advanced interception systems.