Who took control of the Multi-National Force-Iraq on 27 January 2007 and immediately began employing new COIN doctrine?

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General David Petraeus took control of the Multi-National Force-Iraq on 27 January 2007 and immediately began employing new COIN (Counterinsurgency) doctrine, which included a focus on protecting the population, partnering with local security forces, and conducting targeted operations against insurgent leaders. This approach became known as the "Surge" strategy, and was credited with significantly reducing levels of violence and stabilizing the security situation in Iraq.

Who Took Control of the Multi-National Force-Iraq on 27 January