Islamists said in an Internet posting on Tuesday night that insurgent networks had not been affected by the raids.

However, Coalition forces failed to transition to a holding strategy as the insurgent network proved too entrenched and Iraqi security forces too immature.

But there is no national insurgent network, the official said.

Success, they say, cannot be measured in the amount of territory seized and occupied, but instead in punching holes into the web of insurgent networks.

More recently, network analysis (and its close cousin traffic analysis) has gained a significant use in military intelligence, for uncovering insurgent networks of both hierarchical and leaderless nature.

The raid, which began at 3 a.m. and lasted more than six hours, disrupted three insurgent networks, American military officials said.

Launch combing operations across Bangladesh to wipe out the insurgent network.

Such intelligence is used to hunt down guerrillas, prevent attacks and break up insurgent networks.

The attack comes after at least half a dozen American military offensives in Haditha and other parts of Anbar Province to shut down that insurgent network.

During the Iraqi insurgency Saffron was used by coalition forces in Iraq to help identify entities that were defined as people, places and things involved in insurgent networks.