MS of Royal Navy artillerymen polishing 15-inch Howitzer shells, CS of shell with words "to Willie, with compliments" written on it. MLS of explosions over ridge, mud blowing up. LS of men crossing no-man's land. Several LSs of various explosions over battlefield, including HAS over French town of Thiaucourt, shells bursting among buildings in the distance (same as NFB1910-FG-14-90). MLS of British tank moving away from camera. HASs of bombs falling as seen through bomb bay of aircraft (same as NFB1910-FG-14-72, NFB1910-FG-14-84). Cut to MS of building exploding. AIR TO AIR SHOT of 1924 Avro Napier in flight. HAS of bombs falling to ground (same as NFB1910-FG-14-72, NFB1910-FG-14-84). HAMS of soldiers, ankle deep in mud, unloading shells from truck (same as NFB1910-FG-14-51). MS of British machine gun position. MLSs of large explosions, intercut with LSs of railway gun firing. Shots of soldiers negociating barbed wire entanglements as they move by camera (same as NFB1910-FG-14-44). HAS over dense barbed wire entanglement.