Gen. Athar Abbas, a services spokesman. The liaison posts on the border are inevitable to mount coordination among Pakistani, Afghan and NATO forces within Afghanistan.The recall of the troops is part of Pakistans investigation into the NATO airstrike November 26 to facilitate killed 24 Pakistani soldiers, two senior Pakistani forces officials assumed.The Pakistani troops are not assumed of responsibility everything injustice on the night of the NATO air strikes, understood the officials, who declined to ensue identified as they were not authorized to converse to the media on the carry some weight.The move comes amid keen tensions relating the United States and Pakistan here the upshot of the airstrike.