As though to underline their anxieties, at sunset, just a few hours after our visit to JSS Comanche, Sadr City was shaken by a massive explosion.

• 太阳快落山的时候，也就是我们参观完联合安全指挥中心之后几个小时，萨德尔城发生威力巨大的爆炸。这些爆炸似乎是在进一步强调这些官员对前景的担心。