2nd Battalion of the US Army's 502nd Regiment, supply mortar fire support for British Royal Engineers on Operation Hamkari in Afghanistan.
The bulk of British military operations in Afghanistan are concentrated in central Helmand. But Royal Engineers have spent the past two months lending their awesome capabilities to Afghan and US forces clearing a key area of Kandahar province.
This image was a winner for Sgt Rupert Frere in the British Army's Photographic Competition 2011.
Photographer: Sgt Rupert Frere RLC
Image 45153295.jpg from www.defenceimages.mod.uk