Despite concerns over Iran’s nuclear program, the Obama administration has assessed that Tehran is years from a developing a long-range missile capable of delivering a nuclear weapon. But past Irania…

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…

Sen. John McCain’s Republican presidential campaign has a group of foreign policy advisers reflecting both realist and neoconservative views of the world.