This is the fourth, revised and updated, edition of Geoffrey Till's Seapower: A Guide for the 21st Century. The rise of the Chinese and other Asian navies, worsening quarrels over maritime jurisdiction and the United States' maritime pivot towards the Asia-Pacific region reminds us that the sea has always been central to human development as a source of resources, and as a means of transportation, information-exchange and strategic dominion. It has provided the basis for mankind's prosperity and security, and this is even more true in the early 21st century, with the emergence of an...