4 U.S. troops hurt in Egypt blasts

2 U.N. peacekeepers also injured by IEDs in restive Sinai peninsula, but soldiers' wounds not considered life-threatening

• Sep 4, 2015

ISIS hacker behind U.S. military "hit list" believed killed in Syria

British citizen Junaid Hussein was number three on the Pentagon's list of most wanted ISIS targets

• Aug 27, 2015

Pentagon: Reports "credible" mustard gas used in ISIS attack

Islamic extremists likely used the deadly chemical weapon against Kurdish fighters

• Aug 14, 2015

​U.S. and Syrian rebel allies at odds over who is the enemy

More than 600 fighters dropped out of U.S. training program due to differences over who to fight, says source

• Aug 11, 2015

Russia believed to be behind Pentagon's Joint Staff email breach

The staff's unclassified system was the victim of a "sophisticated" intrusion in late July

• Aug 7, 2015

Pentagon's early training of Syrian rebels seen as "failure"

Officials say first attempt at training rebels to fight ISIS was full of problems

• Aug 6, 2015

Pentagon's Joint Staff email was victim of "sophisticated" intrusion

The staff's unclassified system was the target of the hack

• Aug 5, 2015

Pentagon: U.S. launches 1st Syria airstrike from Turkey

As U.S. starts closer air raids of ISIS fighters, five Pentagon-trained fighters captured by al Qaeda affiliate inside Syria

• Aug 5, 2015

U.S. officials: 5 Pentagon-trained fighters captured in Syria

Pentagon has lost track of some of the fighters who have apparently scattered; fighters probably captured by al-Nusra

• Aug 4, 2015

Military readies plans to lift ban on transgender personnel

After the expected announcement, officials will take several months to analyze the policy change

• Jul 13, 2015

Amid July Fourth threat, GOP pushes for defense funding

Republican Party attacks Democrats for "playing political games" over national security

• Jul 4, 2015

Is the Syrian civil war hampering anti-ISIS recruitment?

Defense Secretary Ash Carter tells CBS News' Margaret Brennan that finding Syrians who want to fight ISIS - rather than the Syrian regime - is difficult

• Jun 23, 2015

Pentagon breaks down price tag of war against ISIS

Since bombings began last August, officials say the U.S. has spent $2.7 billion, with war costing millions a day

• Jun 11, 2015

Ex-Army doctor accused of grotesque training practices

Dr. John Hagmann's medical license and government contracts were suspended after the release of a report documenting alleged abuses

• Jun 9, 2015

Robots programmed to save the world

The Pentagon's science research group, DARPA, convened 24 teams from around the world to compete for $3.5 million in a robotics competition

• Jun 8, 2015
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Anthrax investigation broadens

Last week the Pentagon said that live anthrax had accidentally been shipped to 17 states and Washington, D.C.

• Jun 8, 2015

CDC is investigating Pentagon's accidental shipment of live anthrax

The U.S. army says as many as 22 people were exposed to live anthrax

• May 28, 2015

ISIS leader confirmed killed by U.S. forces

The U.S. had been tracking Abu Sayyaf for months

• May 19, 2015

Hackers tried to hit Pentagon with Heartbleed bug

NSA memo reports over 42,000 attempts to hack the Department of Defense last year through the Heartbleed bug, but it could have been worse

• May 18, 2015

ISIS threat prompts U.S. military bases to raise security level

Pentagon spokesman says increased security was ordered in wake of Texas attack and social media chatter

• May 8, 2015

Critical U.S. satellites vulnerable?

U.S. and China locked in a high stakes contest over satellites that are critical to national security and everyday life

• Apr 24, 2015

Pentagon: Cyberwarfare a viable option in conflicts with enemies

Officials say Pentagon wants more transparency in its cyber mission - and it could provide some deterrence to adversaries

• Apr 23, 2015

Pentagon chief: Europe "not doing enough" on defense

Defense Secretary Ash Carter offers unusually blunt assessment of the Europeans' defense efforts

• Apr 22, 2015

Special ops soldiers fear females in ranks, surveys find

As the Pentagon moves to integrate women throughout the armed forces, elite soldiers have been unusually vocal about their concerns

• Apr 6, 2015

​Pentagon chief may ease enlistment standards

Defense Dept. considers easing standards for certain military jobs, including tech-oriented ones, to attract, retain service members and civilians

• Mar 30, 2015

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