The War Office asked Ealing to make a feature length training film for them on the subject of security, but provided minimal funds. Ealing more than doubled the budget from their own resources, to produce a film whose appeal transcended its military function. The very large profits from commercial distribution went first to repay this outlay, then to the War Office rather than Ealing. Winston Churchill wanted to ban this film because he considered that it would demoralize audiences. ...[Read Story ]