OSHKOSH, Wis., 31 May 2007. Oshkosh Truck Corporation has two goals in building its unmanned ground vehicle for the U.S. Department of Defense: saving soldiers' lives and the $2 million prize. Team Oshkosh is developing the TerraMax unmanned ground vehicle at its Global Technology Center in Oshkosh for the 2007 Defense Advanced Research Projects Agency (DARPA) Urban Challenge.