Even now — with many contractors discredited for unjustified shootings and a lack of accountability amply described in the documents [300,000 classified military documents made public by WikiLeaks] — the [US] military cannot do without them. There are more contractors over all than actual members of the military serving in the worsening war in Afghanistan...During the six years covered by the reports, at least 175 private security contractors were killed. [refers to Custer Battles, Aegis, ArmorGroup (part of G4S), Buckmaster, Danubia Global, Unity Resources Group, Blackwater (now Xe Services)]