US and NATO forces are all set to roll out an intensive 18-month ground campaign in Afghanistan to stamp out Taliban and al-Qaeda militants. General David Petraeus, the head of US Central Command told NBC television's Meet ‘The Press programme in Washington that Marjah offensive is just the start. He said that President Barrack Obama and General Stanley McChrystal who leads a 121,000 US and NATO force in Afghanistan, had laid out a comprehensive strategy that is only beginning to unfold. Petraeus comments come as a strong US, NATO and Afghan army detachments are close to over-running Taliban stronghold<br/><br/>of Marjah, whose capture would choke insurgents finances derived from poppy cultivation. The General who oversaw a similar US forces' surge in Iraq described Taliban resistance as weak and disjointed and warned that the campaign so far is only in its initial stage. His top commander in Afghanistan, McChrystal was quoted by the British newspaper 'Times' as saying that Kandahar would be the coalition forces' next target. He said that the Marjah offensive was a model for future campaigns in Afghanistan.