Defence Secretary Philip Hammond has warned that the Taliban is still a "potent force" in Afghanistan that should not be underestimated.
He said some 15-20 patrol bases had already been handed over to the Afghan National Army, which is becoming more self-sufficient all the time.
But he also said he is optimistic that momentum is building for a process of negotiation between the Afghan government and Taliban.
ITV News' International Correspondent John Irvine spoke to him in Helmand Province:
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