Images of the Ain al-Assad air base hosting American forces in Iraq the day after fourteen rockets were fired at the base in the western province of Anbar, causing minor injuries to two personnel, the coalition said. US forces, who have 2,500 troops deployed in Iraq as part of an international anti-Islamic State group coalition, have been targeted almost 50 times this year in the country, but the last few days have seen an increase in the frequency of attacks. IMAGES