A Challenger 2 main battle tank crosses a bridge, guided by a Royal Engineer, Canada, 2015

Digital photograph by Corporal James McAllister , Royal Logistic Corps, 2015.

British troops preparing for Exercise PRAIRIE STORM 2015 at the British Army Training Unit Suffield training area, Alberta, Canada, 2015.

From a collection of 306 digital photographs relating to British Army armour and artillery, 2014-2015.