U.S. military had time for troops to take shelter before Iran missile attacks

Iran's supreme leader called his country's attack on Iraqi bases a "slap" in the face of America. Now, CBS News is learning more about the missiles and how U.S. forces knew they were coming. David Martin reports.

U.S. military had time for troops to take shelter before Iran missile attacks
Iran's supreme leader called his country's attack on Iraqi bases a "slap" in the face of America. Now, CBS News is learning more about the missiles and how U.S. forces knew they were coming. David Martin reports.