For a special programme on Remembrance Sunday, Katherine Jenkins is in Southampton to mark 100 years since the end of the First World War.Using rare diaries and newspapers from the time, Katherine discovers how the famous port city was the primary embarkation point for British forces with eight million individual troop movements recorded between 1914 and 1918.As the birthplace of the Spitfire, Southampton also played a crucial role in achieving victory in World War Two. Katherine meets Don and Margaret, both in their 90s, who helped to build the iconic aircraft. They share vivid memories of the factory being bombed and how parts continued to be made in garages, workshops and even laundrettes across Southampton to enable the RAF to win the Battle of Britain.Looking to the future, Sean Fletcher visits a Christian project in Slough using contemporary music to engage young people in what peace means in their generation.