The United States has pursued missile defense technologies for six decades, with mixed results. Changes under the Obama administration, including adjustments to planned defenses in Europe, could port…

With U.S. forces mired in Iraq, the cost of war has escalated. But some critics decry the manner in which the war is being funded more than the price tag itself.

Hundreds of thousands of Iraqi security personnel have received U.S.-led counterinsurgency training. But big questions remain over their readiness to replace U.S. forces.

Iran’s alleged meddling in Iraq and Afghanistan and its defiance of orders to halt uranium enrichment have drawn sharp criticism from the west. Amid the rhetoric some analysts and policy makers conti…

As military leaders in Washington revise their war strategy for Afghanistan, analysts say enlisting Afghan tribesmen could aid in security. Others warn that what helped stabilize Iraq may play very d…