Soldiers from Headquarters and Headquarters Company, 1st Brigade Special Troops Battalion, 1st Brigade Combat Team, 1st Cavalry Division, thrust forward during a training exercise to test their M93 "Fox" vehicle at Blora Lake, Texas on, July 31, 2008. The six-wheeled "Fox" is an amphibious laboratory that takes air, water and ground samples and immediately analyzes them for signs of weapons of mass distruction.