Iraq's soldiers counter the offensive, but they know this will not be the last time.
Iraq's cavalry are equipped with tanks to bring the fight to the enemy.
A Yezidi interpreter named Shahin who had worked with Americans is shot by ISIS snipers.
While near the frontlines he rescued a mother and a daughter.
He is evacuated to safety, but died 10 days after sustaining his wounds.
Iraqi commanders are describing this fighting as the toughest they've experienced.
