Kat-5 is a 2005 Ford Escape Hybrid modified with the sensors and actuators needed for autonomous operation. It has an INS/GPS (Inertial Navigation System/Global Positioning System) from Oxford Technical Solutions and LIDAR units from SICK and Riegl. Kat-5 finished the 2005 DARPA Grand Challenge and placed fourth with a time of 7 hours, 30 minutes, only 37 minutes behind Stanley, the winner of the competition. Kat-5 is powered by almost 100% pure Java and runs both the Mac OS X and Linux operating systems.