Didn’t we just train this army?
Check it out:

The Obama administration secured two diplomatic concessions from Iraq’s government on Monday: an immunity deal for U.S. special operations forces and a commitment from Iraq’s prime minister to begin forming a new government.

The immunity agreement paves the way for 300 special operations forces to begin training and advising Iraq’s army, which has repeatedly folded in the face of a charge by the radical Islamic State in Iraq and Syria (ISIS) that has taken over a territory stretching across both countries.