The rise of (un)friendly fire in Afghanistan

US troops from the 2nd Platoon, Charlie Company, 2-87, 3BCT under Afghanistan's International Security Assistance Force, and Afghan National Army soldiers conduct a joint security patrol in the center of Kandalay village, in Kandahar province southern Afghanistan on August 4, 2011. The 140,000 strong US-dominated international military in Afghanistan is engaged in a massive drive to train Afghan police and army to take over before all foreign combat troops leave the country in 2014. AFP PHOTO / ROMEO GACAD (Photo credit should read ROMEO GACAD/AFP/Getty Images)
U.S. troops and Afghan National Army soldiers conduct a joint security patrol in Kandalay village in Kandahar, southern Afghanistan, in this August 2011 file photo.

The antagonism and violence between U.S. and other Western forces and the Afghan soldiers with whom they fight and train appears to be rising, at a time when America is trying to extricate itself from the nation's conflict.

On Friday four French soldiers were shot and killed by a gunman wearing an Afghan Army uniform in Tagab District, an area viewed as dominated by insurgent forces. In the past month, one U.S. soldier and two French Foreign Legion members were killed in separate attacks attributed to Afghan security forces, according to NATO statements.

The New York Times reports that, according to a classified coalition report, at least 58 coalition service members were killed in 26 separate attacks by Afghan troops and police between May 2007 and May 2011. The number represents 6 percent of all hostile NATO deaths in that four-year period.

The majority of attacks have occurred since October 2009.

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The classified report cited by The Times states, "Lethal altercations are clearly not rare or isolated; they reflect a rapidly growing systemic homicide threat (a magnitude of which may be unprecedented between 'allies' in modern military history)," and called official NATO statements disputing such threats as "disingenuous, if not profoundly intellectually dishonest."

The recent release online of video featuring U.S. Marines desecrating the corpses of Taliban fighters has only inflamed the contempt that exists between Afghan and Western forces.

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"The sense of hatred is growing rapidly," one Afghan Army colonel told The Times' Matthew Rosenberg. The officer described Afghan troops as "thieves, liars and drug addicts," and Americans as "rude, arrogant bullies who use foul language."

For more from the Times report click here.