** FILE ** Afghan security forces officers, with NATO compound workers, investigate the gate to a NATO compound following a suicide car bombing in Kabul, Afghanistan, Tuesday, July 2, 2013. (AP Photo/Rahmat Gul)
Afghan soldiers attend a transfer of authority ceremony of the police academy from NATO-led troops to Afghan security forces in Kabul, Afghanistan, Saturday, June 22, 2013. (AP Photo/Rahmat Gul)
**FILE** NATO soldiers walk under country member flags at a NATO base at Kabul International Airport in Kabul, Afghanistan, on April 30, 2013. (Associated Press)
NATO soldiers walk under country-member flags at a NATO base at Kabul International Airport in Kabul, Afghanistan, on Tuesday, April 30, 2013. (AP Photo/Rahmat Gul)
NATO service members haul in supplies that will be used at the first established facility aboard Camp Shorabak intended specifically for surgical care. The unit will allow Afghans to perform ambulatory care independent of coalition support. (Defense Department)