Description:This volume includes selected peer reviewed papers from the 2nd International Symposium on Unmanned Aerial Vehicles, June 8-10, 2009, Reno Nevada, USA. The book focuses on UAV advances and current state-of-the-art. The annual meeting discusses the most recent advances in the field worldwide, thus, the book serves the purpose on publishing the latest findings. The book reflects the latest research findings in UAVs, focusing on modeling, navigation, target tracking, planning, vision, simulation platforms, training, landing systems, and several applications. It may serve as a reference for the most recent advances in UAV research.