Over 14,000 personnel are accommodated in an immense "city on its own" with barracks, administration centre, warehouses, hangars, classrooms, gasoline stations, department stores, even movie theatres set up at the camp.

Three young recruits: Joe Cartwright, a graduate from a technical school, garage mechanic F. Stevens and miner Jack Bishop leave civilian life to learn how to become soldiers.

The final stage of training at Camp Borden involved a major joint exercise that pitted 4,000 infantry and units of machine gun, engineering, transport and armour in an attack and defence of a key strongpoint.

The realistic war game showed how the training at Camp Borden resulted in the Canadian Active Service Force being ready and able to take their place on the battlefields across the world.

Typical of the NFB's Canada Carries On series of morale-boosting propaganda short films, Letter from Camp Borden was made in cooperation with the Director of Public Information, Herbert Lash.

[7] Using the format of John Grierson's "creative treatment of actuality", the film relied heavily on the work of the Audio Pictures studio, based in Toronto to chronicle the arrival, training and extracurricular activities of the recruits in Camp Borden.