Voice of America | Pentagon: US Airstrikes on IS Oil Facilities 'Minimally Effective' Voice of America The Pentagon has started bombing Islamic State (IS) oil trucks because it says airstrikes on militant-controlled oil facilities have been only "minimally effective." U.S.-led coalition spokesman Colonel Steve Warren on Wednesday said airstrikes ... US strikes on IS oil supply initially only 'minimally effective' Pentagon targeting trucks, rigs in assault on Islamic State oil funding Video Shows US Launching First Airstrikes On ISIS Oil Trucks |