According to newspaper New York Times, nearly 30,000 from 100 different countries have joined the Islamic State (ISIS) in Syria and Iraq since 2011. Over 250 American citizens have traveled to the middle East, of which 150 joined the terrorist group, over the past 12 months. Despite reports by the US Pentagon that the US-led coalition force strikes have killed 10,000 ISIS terrorists, the jihadists are replenishing their soldiers at 1,000 men per month.