“Rogue Afghan soldiers and police turning their weapons on their allies are now the leading cause of death for NATO troops. On Aug. 28 a man wearing an Afghan army uniform opened fire on Australian soldiers in the southern province of Uruzgan, killing three and wounding two.
That attack brought to 15 the total number of NATO personnel killed in so-called ‘green-on-blue’ assaults in August — and raises serious doubts about the alliance’s war strategy, which calls for close cooperation between foreign and Afghan troops as the Afghans gradually assume responsibility for their own security.”
Source: Insider Attacks Now Biggest Killer of NATO Troops | Danger Room | Wired.com