In early 2014, Russia began supporting armed separatist forces in the eastern—predominantly Russian-speaking—part of Ukraine. Subsequent fighting was halted in September 2015 by a cease-fire agreemen…

Introduction Iraq remains a fragile state deeply traumatized and riven by thirty years of war, sanctions, occupation, and civil strife. Although there are numerous positive signs of progress in Ir…

Introduction The risk of a military confrontation between China and Vietnam is rising. Although the two countries have enjoyed close party-to-party ties for decades, since 2011 they have both asse…

The U.S. power grid has long been considered a logical target for a major cyberattack. Besides the intrinsic importance of the power grid to a functioning U.S. society, all sixteen sectors of the U.S. economy deemed to make up the nation’s critical infrastructure rely on electricity. Disabling or otherwise interfering with the power grid in a significant way could thus seriously harm the United States.

Introduction As space systems increasingly perform and support critical operations, a variety of plausible near-term incidents in outer space could precipitate or exacerbate an international crisi…