They call it “hardening the defence line”.
On the border, the unmistakable and continuous rumble of air strikes, perhaps 10 kilometres away, could be heard from the north-east. Buildings shook.
Armoured personnel carriers and a supply convoy came up behind the tanks.
All very professional – except for the three US servicemen who had to ask passing journalists for directions to their 1st Cavalry Unit.
On the cross-country drive back to Hafir al-Batin, 60 kilometres south of the border, there…