From active service, she returned to the historic dockyard in chatham, where she s been on display to the public since 1992. it s about the men and women that built these vessels here at the dockyard. this story of people and their involvement. this wasn t a naval dockyard it wasn t the navy who built the ships, it was the people of chatham that built these vessels. and this weekend, she ll celebrate her 60th birthday here another chance for the public to delve into the cold war history of this secretive warship. chrissie reidy, bbc news. very cramped, isn t it? fascinating. very cramped, isn t it? fascinating. very fascinating. very cramped, isn t it? fascinating. very fascinating. you very cramped, isn t it? fascinating. very fascinating. you have - very cramped, isn t it? fascinating. very fascinating. you have to - very cramped, isn t it? fascinating. very fascinating. you have to have l very cramped, isn t it? fascinating. | very fascinating. you have to have a certain abi