Weapons: sequence showing three Canadian soldiers firing mortar in lee of damaged brick building. Shots of American soldiers firing anti-aircraft machine gun, intercut with CS side views of two Canadian soldiers firing anti aircraft machine gun along roadside. MS of American crew firing French 75mm gun mounted on DE Dion chassis. MLS of British soldier firing anti-aircraft machine gun, factory buildings visible in background. CSs of two Canadian soldiers in trench arming heavy grenade launcher, scurrying into dugout before firing weapon. Brief MS of large grenade launcher being fired. CS side views of two British soldiers firing heavy machine gun. CS rear view of two men checking machine gun as other men stand by. MCS of two soldiers flushing water and steam out of cooling jacket of machine gun. Sequence showing CU of German soldier firing machine gun at camera and cut to CU of barrel of machine gun spitting fire. MCS of soldiers on motorcycle moving off by camera, heavy machine gun mounted on sidecar in evidence (same as NFB1910-P-107).