 It provides trained replacement crewmen for the Regular Army's Challenger 2 Main Battle Tank.The Royal Devon Yeomanry Museum is incorporated in the Museum of Barnstaple and North Devon in The Square, Barnstaple.The Royal Devon Yeomanry inherited the combined battle honours of the Royal 1st Devon Yeomanry and of the Royal North Devon Yeomanry (honours in bold are emblazoned on the regimental colours)