RT News - May 18, 2015 (17:00 MSK)

UK police are hunting for an AWOL Royal Navy sub-mariner who blew the whistle on Britain's nuclear submarines - exposing them, as he puts it, as "a disaster waiting to happen"; Islamic State has captured one of Iraq's key cities - despite U.S.-led coalition airstrikes, which the American military says have been "a great success"; As a U.S. training programme for the Ukrainian army kicks off, instructors complain about the state they find it in - with units in complete disarray, lacking even the most basic military skills.