皇家海军已帮助英国成为世界上伟大的海上强国。海上帝国，一部时代了望纪录片，历史学家和狂热的水手——丹斯诺将揭示海洋上的惊人历史。发掘罕见的手稿与记录，揭示了隐藏在著名战例背后的人类的故事。提供认识海洋的全新视角。 Historian Dan Snow charts the defining role the Royal Navy played in Britain's struggle for modernity - a grand tale of the twists and turns which thrust the people of the British Isles into an indelible relationship with the sea and ships.