Introducing the Cruiser warship, from its inception in the mid- to late-19th century, through to its adoption by Germany at the beginning of the 20th century, up to the end of World War I.
Inception and development of the Sopwith Camel fighter plane during World War I.
French tank development during World War I.
Tracing the development of the British tank in the second half of WWI.
The origins of the British tank in WWI.
History and specification of the Royal Aircraft Factory S.E.5 and S.E.5a fighter planes.