ATSC’s Persistent Surveillance Solutions (PSS) is a rapidly deployable, aerostat-based intelligence, surveillance, and reconnaissance (ISR) platform engineered to provide continuous, wide-area situational awareness for border security, force protection, and critical infrastructure defense. Designed to support persistent operations, the system integrates configurable mission payloads including EO/IR sensors, ground surveillance radar, SIGINT, ELINT, MASINT, CBRNE detection, gunshot detection, and advanced communications to detect, identify, classify, and track threats in real time. A hybrid power architecture, environmentally controlled command-and-control shelter, and integrated helium reclamation system enable extended-duration, cost-effective operations with minimal logistical support. Designed for seamless integration into layered command-and-control architectures, PSS delivers persistent overwatch and mission-ready performance across the world’s most demanding operational environments.