Thus he may launch an assault on the walls like ants, resulting in one third of his troops killed and the attacked city is still not conquered.

构筑攻城的土山又另须三个月。 将帅不胜忿怒， 而下令攻城，驱使士兵像蚂蚁一样爬梯攻城，那士兵会死了三分之一，可是城却未攻下。

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In recent years, though, they've been regarded as, you know, light assault troops who go in first, grab whatever needs to be taken, and then give way to more heavily armed forces in the Army.

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The launcher shoots the bottles at a velocity of 984 feet per second, fast enough to smash a double-layer breeze-block wall and allow assault troops to enter a building, according to the manufacturer, BCB International.

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The Americans sound particularly chuffed by the performance of Iraqi troops in the assault on Samarra.

ECONOMIST: Iraq