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:
More top news
Soliciting of clients by sex workers should no longer be a crime, according to new recommendations made by Home Affairs Select committee.
Theresa May's bid to become Tory leader has won the backing of senior cabinet ministers including Michael Fallon and Patrick McLoughlin.
A 19-year-old has officially become the UK's youngest airline pilot after fast-tracking his way to a seat in the cockpit.