January 29, 2009 Unmanned aerial vehicles (UAVs) are now a well established tool in modern warfare, having proved their worth in both in reconnaissance and increasingly, combat roles. As with all weapons however, this success might not be viewed so glowingly if you happen to be on the receiving end. In developing ways to combat the threat of UAV platforms, Boeing has demonstrated for the first time that a laser equipped Avenger ground combat vehicle can shoot down a UAV.