As the Great War began, the British Royal Navy rushed to Orkney's great natural harbor, Scapa Flow. David Hayman uncovers the compelling characters of the little-known naval war - the cautious Admiral John Jellicoe and theplayboy Vice Admiral David Richard Beatty. The story of great technologies and epic battles for control of the North Sea.

Originally released by BBC, 2015. Streaming video file encoded with permission for digital streaming by Infobase on May 22, 2019.

Scottish Base (2:13); --British Royal Fleet (5:21); -- Dreadnoughts (3:02); -- U-Boats (5:28); -- Hawsker Sound (3:33); -- Seamen in Orkney (3:07); -- Imperial German Navy (3:53); -- British Battle Cruisers (9:27); -- Naval Communication (2:58); -- River Forth (4:27); -- Battle of Jutland (9:14); -- Aftermath of Jutland (5:41); -- Credits: The War at Sea: The Dreadnoughts of Scapa Flow (0:29); .