The defense secretary is going after the Arizona Democrat's Navy pension for telling troops they can refuse illegal orders.
From China and the US to India and Russia, here are the 25 largest militaries in the world, ranked by the number of active-duty armed forces.
Twelve U.S. military hospitals and one clinic have earned top designations from a nonprofit that evaluates health care quality.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results