Welcome to ten minutes of current events with no commercials.This is CNN STUDENT NEWS. I'm Carl Azuz. Thank you for watching.First up, President Obama made a promise yesterday to U.S. troops.He says he won't get them involved in another ground war in Iraq.Several hundred American servicemen and women are in the region.Their missions include launching airstrikes against the ISIS terrorist group, gathering intelligence about ISIS, and training and helping Iraqi forces fight ISIS.The Obama administration says U.S. troops themselves will not be going in the combat.But the nation's highest ranking military advisers says if he thinks U.S. troops should get involved, he'd recommend it to the president.Well, some lawmakers have questions about the roles of U.S. troops in Iraq, there's another issue to be considered as the U.S. leads the way in fighting ISIS. Money.The bill from military operations in Iraq keeps rising.On August 29, the Pentagon said the mission is costing United States 7.5 million a day,a relatively tiny sum compared to the billions spent in Iraq during our last campaign in the country.But what started as an effort to protect American interest in Iraq from Sunni militants, is now morphing into something much bigger.The U.S. has completed over 150 airstrikes that started in August.