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Some of the 24 armoured vehicles donated by the United States to the Nigerian military at the Nigerian Army 9th Brigade Parade Ground in Lagos, on January 7, 2016. The U.S. government donated the vehicles to help fight Boko Haram, an extremist group whose six-year insurgency has killed over 17,000 people. / AFP / STEFAN HEUNIS (Photo credit should read STEFAN HEUNIS/AFP/Getty Images)

Some of the 24 armoured vehicles donated by the United States to the Nigerian military at the Nigerian Army 9th Brigade Parade Ground in Lagos, on January 7, 2016. 
The U.S. government donated the vehicles to help fight Boko Haram, an extremist group whose six-year insurgency has killed over 17,000 people. / AFP / STEFAN HEUNIS        (Photo credit should read STEFAN HEUNIS/AFP/Getty Images)