Last UK troops ready to protect Camp Bastion withdrawal
7 May 2014 Last updated at 05:47 BST
Servicemen and women gathered on Salisbury Plain ahead of being sent out to protect the withdrawal of troops from Camp Bastion.
Most of the UK's combat troops have already left Afghanistan, and almost all will have left by the end of the year.
But keeping those troops safe as they leave is now one of the most crucial parts in a deployment that has lasted more than a decade.
Andrew Plant reports.