The Taliban claimed responsibility for the attack.
MORE: http://www.cnn.com/2012/08/31/world/asia/afghanistan-base-attack/index.html?hpt=hp_t2
See also...
3 Australian troops killed in 'green-on-blue' attack
http://www.cnn.com/2012/08/29/world/asia/afghanistan-troops-killed/index.html
Afghan soldier kills two NATO troops, ISAF says
http://www.cnn.com/2012/08/27/world/asia/afghanistan-troops-killed/index.html
