Backed by air support, U. S. tanks rolled through the city, sector by sector in the largest coalition-led operation in the Sunni triangle in the past several months.

• 这是过去几个月里联军在逊尼派三角地带领导的最大规模的军事行动。美军坦克在空军的掩护下穿过市区，一个地区一个地区地向前挺进。