PHOTO: SIPA PRESS/EAST NEWS Prince Charles, Prince of Wales looks through binoculars whilst standing in a sangar when he visits the 1st Battalion The Royal Gurkha Rifles at the Avon compound in Wiltshire on February 11, 2010. The soldiers are taking part in a Mission Rehearsal Exercise prior to being deployed to Afghanistan next month. Wiltshire, UK - 11/02/2010