The concerns raised by Rep. Duncan Hunter come after the U.S. accused Russia of hacking the DNC in an effort to interfere with the presidential election.

The U.S. military said the death resulted from an improvised explosive device but provided no further details.

While operational rules are established in Washington, decisions that shape the reality of what U.S. troops do are made by personnel in the field.

An interesting look at the Pentagon's budget problem.

He was called an “enthusiastic Anglophile.”

In Mosul, Iraq, the strategy to fight ISIS will involve, among other strategies, airstrikes by U.S. and Western forces.

Fifteen years later, the war in Afghanistan grinds on, just with a new coat of paint.

It was far from a typical appearance for the nuclear physicist who oversees the U.S. military.

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