King Henry VIII's favourite warship sank during a naval battle over 400 years ago. But the wreck and its contents were preserved in silt for centuries and finally raised to the surface in October 1982. Susan Hulme has spoken to Christopher Dobbs, one of the archaeologists who helped excavate the Mary Rose while she lay on the sea bed, and who is still uncovering its secrets today.Photo: A reconstruction of the Mary Rose, in full sail. Copyright: BBC.