V Corps barrage map, Cambrai, 20 November 1917. At Cambrai the BEF fired a lifting barrage that moved straight from target to target instead of sweeping all the ground in between lines, as a creeping barrage (MAP 1) did. The smoke barrages shown here were weather-dependent, but the weather was favorable on 20 November and they were fired. However, while they were effective for their duration, that duration had been miscalculated, and German anti-tank fire became effective.

From "The infantry cannot do with a gun less": the place of the artillery in the British Expeditionary Force, 1914-1918 by Sanders Marble

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  • European: 1800-present
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  • Map 9. V Corps barrage map, Cambrai, 20 November 1917. At Cambrai the BEF fired a lifting barrage that moved straight from target to target instead of sweeping all the ground in between lines, as a creeping barrage (MAP 1) did. The smoke barrages shown here were weather-dependent, but the weather was favorable on 20 November and they were fired. However, while they were effective for their duration, that duration had been miscalculated, and German anti-tank fire became effective.