U.S. plans large-scale operation to take Mosul A joint Iraqi-Kurdish force of up to 25,000 troops is preparing to retake the city of Mosul from Islamic State fighters in April or May. IS remains a formidable force, but appears to be on the defensive for the first time since sweeping through Iraq and Syria last year ------------------------------------------------------ Kobane: Kurdish forces and three other rebels groups have taken back about 215 villages since securing control of Kobane on January 26 Kurdish forces expected to launch assaults on IS strongholds of Jarablus, Minbij and Tal Abyad IS support areas Under Kurdish control TURKEY Jarablus Minbij Aleppo Hamah Homs LEB. SYRIA Damascus Raqqa: Coalition airstrikes in response to Jordanian pilot’s killing has prompted IS to set up roadblocks to curb desertions Tal Abyad Mosul: Held by up to 2,000 IS fighters. Main attack would be launched by five Iraqi army brigades supplemented by three Peshmerga brigades who would contain IS from north and west Kiske: Iraqi Kurdish forces seized stretch of key highway in January, threatening vital IS supply line Mosul IRAN Kirkuk Baiji Baghdad Fallujah Haditha: Recent gains by Iraqi forces putting alternative supply corridor under pressure, further isolating Mosul Sinjar IRAQ Ain al-Asad air base al-Baghdadi Deir al Zawr: IS locked in battle with Syrian army near air base – President Assad’s last stronghold in eastern province 60 miles 100km ------------------------------------------------------ Sources: Syrian Observatory for Human Rights, Institute for the Study of War words 258