High Quality Content by WIKIPEDIA articles! XAV (eXperimental Autonomous Vehicle), is a highly-maneuverable, light mechanized, four-wheeled unmanned vehicle that is capable of being controlled from a remote station and used for field reconnaissance. It is currently under joint development by South Korea`s Agency for Defense Development (ADD) and Ministry of Information and Communication with the budget of approximately $35 million dollars, and is planned to be fielded by 2012.