A U.S. Army soldier guards a position Sept. 8 at Camp Swift, northern Iraq. U.S. troops will be engaged more closely than ever in fighting against Islamic State group militants as they back Iraqi forces in the long-anticipated assault on Mosul.

$1 for your first month

No commitment, cancel anytime. Renews at normal rate.

Subscription includes unlimited access to our website, newsletters, alerts and the e-edition, an exact digital copy of the printed newspaper.