The robots include:
SWORDS: The Special Weapons Observation Remote Direct-Action System (SWORDS) is a ground robot designed to be armed with an M-16 rifle, a machine gun or a rocket launcher. Three robots have been built so far and reportedly the military and the contractor, Foster-Miller, are working out remaining technical problems. The US Army has reportedly used the SWORDS robots for surveillance and guard missions in Iraq but the vehicles have not fired a shot in combat.
US launches massive Afghan offensive | The rocky road to Kargil | Unsung Heroes: The Ice Warriors | Kargil 10 Years After: A Ringside View | 10 Years After: Airborne over Kargil | The murder before Kargil
MULE: The military is testing and developing other armed ground robots, including the MULE -- a vehicle about the size of a Humvee armed with anti-tank missiles and a turret-mounted machinegun. The Multifunction Utility/Logistics and Equipment (MULE) robot is supposed to fire only when a human operator remotely pulls the trigger. The MULE could be ready for deployment as soon as 2014.
Image: US soldiers walk in front of a military robot during military exercises by US and South Korea troops at Daegu.