Defense Secretary Ash Carter announced the deployment of an additional 560 troops to aid in the fight against the group.
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The upper chamber wants to limit preferential treatment, but a House bill would prohibit changes to the long-standing practice.
Advisory comes in the wake of killings of black males by police and the fatal shooting by a sniper of five police officers in Dallas.
As military-grade robotics get cheaper and more capable, someone will arm them and put them on American streets.
Agency is going to test CT scanners at a checkpoint in Phoenix at the end of the year.
The general who will make the decision offered some clues as he celebrated the jet's recent trip across the Atlantic.
The department's most comprehensive analysis of veteran suicide ever estimates that 20 veterans a day kill themselves.
"The planning on this and the strategy are the toughest yet."
Instructors are to blame for the drowning death in a pool exercise in May, investigators say.
President Obama announced 8,400 Americans will remain into the next administration and again called on the Taliban for an elusive peace.