The British Army's 2nd Battalion The Royal Gurkha Rifles (2 RGR) will deploy to Kabul, Afghanistan, to protect Nato military and civilian advisers working in government ministries.
Deployed as part of the UK's support to the Afghan Government, the light infantrymen will also safeguard UK advisers based at the Afghan National Army Officers' Academy.
Around 400 Gurkhas, based at Sir John Moore Barracks in Shorncliffe, will deploy to Kabul in April.
Split into two roulements, the eight-month deployment will train Afghan forces so they can secure their own country.
The Gurkhas are currently practising scenarios they could face in Kabul, such as recovering a broken-down vehicle, at Foxhounds in Norfolk.
B Company second-in-command captain Bikulman Rai said: "Our role in Kabul will be to provide force protection to the Nato advisers helping the development of the Afghan Army and Government. We will be protecting the mentors when they go out to support training or attend meetings.
"We have been working with the Foxhound for several months and our soldiers have shown the flexibility to adapt to a different way of operating quite easily. The training has been very thorough and we feel like we are pretty much ready to go."
In 2014, 2 RGR deployed on three tours of Helmand Province before the end of Nato combat operations.
Image: Gurkhas practising scenarios in Foxhounds on the STANTA ranges in Norfolk. Photo: courtesy of Crown Copyright.