Abstract
Unmanned Air Vehicles (UAVs) have developed into indispensable war fighting assets of modern battlefield. UAVs play a pivotal role in sharing and disseminating strategic information in a Network-centric war scenario. The fusion of the data obtained from different sensors/ payloads further helps enhance situational awareness and enables quicker sensor-to-shooter reactions. There is a marked shift in the importance given to the Unmanned Air Systems development world-wide with significant increases in budget allocations. From Micro Air Vehicles (MAVs) to Unmanned Combat Aircraft, each type of UAV plays a distinct role at the same time presenting unique technological challenges. The paper discusses the present state of, and future trends in, various UAV platforms as well as sensor payloads carried by them and also highlights challenges in the related technologies. It also describes the ongoing UAV programs and technology competence built up by DRDO.
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