Pentagon

The Pentagon says twice in four days a missile was fired from Yemen at the USS Mason, with no damage to the ship or its crew. An official says the U.S. has destroyed radar locations in response.

Two years ago, "to many observers, ISIL looked invincible," Obama said at the Pentagon on Thursday. But now: "ISIL turns out not to be invincible, they're in fact inevitably going to be defeated."

Donald Trump, who has begun to slip in the polls, has charged that the outcome of November's election will be "rigged." President Obama blasted that as "ridiculous" in a wide-ranging news conference.

Law enforcement officials briefed on the investigation have identified the gunman killed in Dallas as Micah Xavier Johnson. The Pentagon says Johnson was a military veteran who served in Afghanistan.

"We are systematically eliminating ISIL's cabinet," U.S. Defense Secretary Ash Carter said at a press conference Friday.

The contest is only for "vetted hackers," the Department of Defense says, which means that anyone hoping to find vulnerabilities in its systems will first need to pass a background check.

A federal appeals court hears arguments over a lawsuit challenging the Selective Service's requirement that men, but not women, register for the draft.

The process to open combat jobs to women began in January of 2013; Thursday, Defense Secretary Ash Carter made it official across all branches of the U.S. military.

The Pentagon's report says the Doctors Without Borders hospital attack in Afghanistan was an accident. The group's executive director, Jason Cone, says it raises more questions than it answers.

A joint report by Sens. John McCain and Jeff Flake found that many of those military displays you see before professional games are essentially advertisements paid for by the military.