From a purely military standpoint, our military campaign plan laid out a desirable end state. It doesn't necessarily apply to the Canadian Forces, but indicates, rather, at what stage the international forces may step down. The criterion specifically refers to the extent to which the Afghan National Security Forces become self-sufficient. From a military standpoint, as soon as the Afghan Army and the Afghan National Police Force are able to ensure the safety of their Afghan citizens, the international forces — not Canada, but the international forces — may leave Afghanistan.
On November 8th, 2006. See this statement in context.