The Department of Defense, through the Naval Surface Warfare Center Crane Division (NSWC Crane), is issuing a Special Notice for the Silent Swarm 2025 Experimentation Event, aimed at soliciting submissions for participation in the development of Electromagnetic Spectrum Operations (EMSO) capabilities on unmanned systems. This initiative seeks to foster collaboration between industry, academia, and government entities to explore innovative technologies in a real-world experimentation environment, focusing on capabilities that can be integrated into multi-domain unmanned systems. Interested parties, including small and large businesses, University Affiliated Research Centers, and Federally Funded Research and Development Centers, must submit their proposals by 10:00 AM ET on October 15, 2024, with further details available from primary contacts Robert Gamberg and Michelle Kitley via their respective emails.