The number of UK troops killed on operations in Afghanistan since 2001 stands at 122, but the prospects of peace in the region seem no brighter.
In In Afghanistan... Radio 4 asks: how did we get to this position, what effect is the conflict having on our soldiers, and is it time to change our approach or, even, bring the troops home?
Former Kabul correspondent Alan Johnston reflects on decades of turmoil in Afghanistan, from the Soviet occupation in 1979 to the intervention by the West