SUMMARY: Unmanned Aerial Vehicles (UAV's) can be an effective tool for monitoring large crowds and events. While drones (sUAS's) are a popular choice and effective at transiting large distances at high speeds, SmartBalloons may represent a better option for providing persistent low altitude surveillance over a fixed target. Ultimately, the two systems can be used in concert to provide effective security. PROBLEM: South Padre Island, Texas is a popular destination for colleg