This episode offers a comprehensive overview of military surveillance satellites, detailing their objectives, strategic importance, and technological evolution from early film-return systems to modern digital constellations. It explains core capabilities such as Imagery Intelligence (IMINT) using Electro-Optical/Infrared (EO/IR) and Synthetic Aperture Radar (SAR) systems, and Signals Intelligence (SIGINT), encompassing Communications Intelligence (COMINT) and Electronic Intelligence (ELINT). The episode also highlights other crucial satellite-enabled military functions like navigation, early warning, and weather monitoring. Furthermore, it discusses the impact of orbital dynamics on mission effectiveness and the critical role of Processing, Exploitation, and Dissemination (PED), particularly with the integration of Artificial Intelligence and Machine Learning (AI/ML), in transforming raw data into actionable intelligence. Finally, they examine the global landscape of major national programs, threats to space assets (kinetic and non-kinetic), and defensive strategies for enhancing satellite survivability, projecting future trends, and outlining strategic recommendations for this evolving domain.