The creation of a new U.S. military command for Africa signals the continent’s growing strategic importance and its many development challenges.

Retired Adm. Dennis C. Blair, President Obama’s director of national intelligence, is a former commander of the U.S. Pacific Command with long military experience.

Classic military unit groupings differ greatly in their specialization and size, and from country to country. Here is a basic look at how modern ground, naval, and air units break down in terms of si…

While the American public focuses on bringing U.S. forces home from Iraq and Afghanistan, defense planners in Washington consider what to do with them when they get back.