It comes against a backdrop of intensified rocket attacks on foreign troops that has been blamed on Iranian-backed militias. The US also plans to withdraw from Qayara Airfield West, known as Q-West, and Kirkuk, but will retain five outposts in Iraq. A coalition statement said: “As a result of the success of Iraqi security forces in their fight against Isis [Islamic State], the coalition is re-positioning troops from a few smaller bases.