I remember reading that IS's military model is basically land piracy--small groups, high mobility.
So it could be they don't have significant bombable concentrations of power, except civilian areas.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
So it could be they don't have significant bombable concentrations of power, except civilian areas.