The deployment of Unmanned Aerial Vehicles (UAV)has transformed the global security operations. The systems offer many benefits, including accurate targeting, minimizing military personnel, and real time monitoring. As such, they become necessary elements in counter terrorism operations, border monitoring all across the world. Irrespective, their increasing presence raises ethical issues especially in the context of adherence to international law. Issues of state control, civilian fatalities, and responsibility for strikes beyond the limits of the state have triggered worldwide attention. This topic explores the complex inter play between the political utility of UAVs in increasing global security and the limitations placed upon it by global compassionate law, global human rights law, and the United Nations Constitution. It directs to assess how states should fit the essential advantages of UAVs into their commitments under international legitimate frameworks, and what adaptations might be categorical to meet the emerging lawful challenges presented by this evolving innovation