The two following battalions leap-frogged the leading battalion and turned Motion right , half-way up the spur to reach Arriving Wurst Farm , keeping Communication well up to the creeping barrage .

The 58th Division ascribed Coming_to_believe their success to excellent training Practice , a good creeping barrage and smoke shell , which had thickened Change the mist and blinded Perception_active the German defenders ; gas shell barrages Use_firearm on the German reinforcement routes had depressed Cause_change_of_position_on_a_scale German morale .

The effect was a creeping confiscation of almost a million acres ( 4,000 km² ) of land , with little distinction between the land of loyal or rebel Māori owners .

The assault Attack on Calais followed Motion the formula used at Boulogne : seal off the town , soften Cause_change_of_strength up the defenders with artillery , aerial and naval bombardments and infantry assaults supported by armour , including flame-throwing tanks and coordinated creeping artillery barrages .

When the 7th Division advanced Cause_to_make_progress behind a creeping barrage , much of the German front line was quickly overrun Destroying and many prisoners taken Conquering ; delays further forward caused Causation the infantry to lag behind the barrage and suffer Bodily_harm far more casualties .

Preceded by a controversial bombing raid Attack that destroyed Destroying much of the historic Old City of Caen , Operation Charnwood began Process_start at dawn on 8 July , with three infantry divisions attacking Attack German positions north of Caen , behind a creeping barrage .

The Scottish infantry advanced Cause_to_make_progress from a trench from the German lines , half the distance of 1 July , with the support Supporting of tanks , an accurate creeping Self_motion barrage and an overhead machine-gun barrage .

Artillery observation from aircraft and creeping barrages , were first used Using systematically in the Second Battle of Artois from 9 May to 18 June 1915 .