It is late 2007, and the United States feels that the Islamic state of Iran must be stopped in its nuclear ambitions. David Petraeus' strategy has mostly succeeded in Iraq and Al-Qadea in Iraq has been nearly destroyed, but is still a problem. Meanwhile, in Afghanistan, the power of the Taliban has picked up and is bound to head for Kabul. Destroy the Islamic Jihadists in their path or help them succeed.
United States military in Iraq and Afghanistan
Al-Qadea in Iraq