Various shots of group of manufacturers and industrials touring #25 central ordnance depot, entering, leaving various buildings. Sequence on visitors standing by as soldier demonstrates how to load 3.7 AA gun, crew traverse and elevate gun as group watches. Shots of men looking at M4A2 Sherman medium tank, climbing on it to look inside. Visitors looking at arctic wear, entering tent, handling various pieces of clothing already tested in Operation Muskox. Visitors next look at snowmobile, interior, tracks. Night sequence in driving snow storm on snowmobiles demonstrating their speed and versatility in the glare of several searchlights. CU of snow in searchlight beam, observers in background. MLSs of Wasp flamethrower mounted on universal carrier shooting flame at Ram tank, of tank burning fiercely. Similar shots taken from directly behind flamethrower, intense glare. Various shots of fire power demonstration, mortars, 5.5 feet and 25 FDR guns firing in snow storm, much smoke. Several flares are fired and can be seen racing down towards the ground. Searchlights illuminate the scene. (19/02/1947)