Jihad in the republic since 9/11/2001 has grown like no other time before in our history.
The universalism of Islam, in its all-embracing creed, is imposed on the believers as a continuous process of warfare, psychological and political, if not strictly military - The Jihad, accordingly, may be stated as a doctrine of a permanent state of war, not continuous fighting. - Majid Khadduri
http://strategicstudiesinstitute.army.mil/pubs/parameters/Articles/06winter/win-ess.pdf
To be eventually followed by a Citizen Crusade.