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…

President Obama has made "strategic communications" an essential part of his move to boost the military and nation-building effort in Afghanistan. But experts say countering Taliban messaging will ta…

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…