During a trip to Afghanistan on Armed Forces Day, David Cameron said it was an opportunity to say "how proud we are of our armed forces and everything they do for us".
He also said funding from Libor rate-rigging fines would be put into military charities and a permanent memorial would be built at the National Memorial Arboretum in Staffordshire.
In terms of the political aims of the country, he said: "We want a political solution as well as making sure we have a security solution.
Mr Cameron added that it was important that the politics "enable everyone in Afghanistan to play a role in the future of their country".
More top news
Should no deal be negotiated, Dover, the UK's gateway to Europe, would be one of the places to feel the effects of this most.
The Young Vic’s new artistic director Kwame Kwei-Armah has said he could back quotas to help improve the diversity of British theatre.
Temperatures back to average for mid-October