The Sunni awakening movement and the Sons of Iraq security forces it inspired helped restore peace. Iraq’s long-term stability could hinge on keeping the movement satiated, experts say.

Iran’s influence in Iraq is the subject of enormous speculation. The United States is taking steps to counter that influence.

Despite a security clampdown in Baghdad, Iraq’s capital remains a hotbed of sectarian violence. The new government has yet to find a solution—military, political, or otherwise—for securing the city.

Gen. David Petraeus’ assertions about falling casualties in Iraq are supported by a range of objective sources. But his testimony to Congress does not establish whether the decline is attributable to…

China is transforming its People’s Liberation Army into a leaner, modernized force, raising U.S. concerns over Beijing’s long-term military goals.