Overview: At the Queen's Lancashire Regiment Museum and Barracks in Preston, Melvyn looks back to the First World War, when British men answered the call to fight for king and country. Rita Humphrey shares the remarkable story of her uncle, Walter Tull, who overcame great prejudice to become the first black officer in the British Army. Richard Bell talks about his great uncle Donald who received the highest award for valour during the Battle of the Somme in 1916. And Accrington man Les Bond gives his verdict on the sacrifice made by the men of his home town's Pals Battalion, including his uncle Harry, who died at the battle of the Somme.