By Lt Col Stuart Crawford The world waited with bated breath to see how, when, and where the US would respond to the attack that killed three of its troops last month, and now we know. To recap, US forces in Tower 22 were hit in their living quarters by an Iran-supplied drone in the night, when most were asleep. The attack was blamed on the Islamic Resistance in Iraq, an umbrella group comprising multiple militant organisations. There was never any doubt retaliation would follow and the intention was telegraphed via official channels. Some observers were puzzled that the US response took some …