Managing seamen, who were typically divided into four Divisions (Forecastle, Foretop, Maintop, and Quarterdeck), relied heavily on an officer's unselfishness, humour, and common sense - the main principles underlying this training manual.
The formal group portrait was a ritual of service during the First World War. This draft of artillerymen, destined to reinforce units at the front, includes a number of men who appear far too young, and perhaps under the height restrictions, for military service.
CAM was a kind of bible for Canadian military mechanics during the Second World War - but it's equally notable for its fine graphic art covers.
In August 1943, Canada played host to US president Franklin D. Roosevelt, British prime minister Winston Churchill, and a host of important commanders and civil servants from the Allied nations to plan the next phase of the war against Germany and Japan.