[Remark: the aeroplane, a comparatively newcomer to war is being used extensively by allied and Germans forces on the Western Front.] LS of biplane of Royal Flying Corps landing. CS of biplane taxiing past camera. LS of column of smoke rising skyward from crashed aircraft in field near Boulogne. HASs of Infantry troops marching along road in France on their way to the front, Canadian Scottish pipe band opening march. Sequence showing artillery truck coming in, stopping in front of camera, men jumping off and manning anti-aircraft gun mounted on back of truck. GROUND TO AIR SHOTs of puffs of flak in sky, interspersed with shots of gun firing skyward, officer scanning sky with telescope. GROUND TO AIR SHOT of gun fighter biplane airborne.