The First Sea Lord Holds Hands - Earl Mountbatten, first Sea Lord, and Lady Mountbatten hold hands as they arrive tonight at the empire theatre, Leicester Square, to attend the premiere of the film "Cockleshell Heros." The Duke of Edinburgh, who is Captain-General of the Royal Marines, also attended the premiere. The film, which stars Joes Ferrer and Trevor Howard, deals with the War-Time exploits of the Royal Marines. November 16, 1955. (Photo by Paul Popper, Paul Popper Ltd.).