Pentagon analysts are grappling with what this growing unrest in the Middle East means for US national security. Here are the top three ways the advance of the insurgent group the Islamic State in Iraq and violence in Gaza could endanger US national security.
Hamas this week showed it has drones at its disposal, forcing Israel to use a Patriot missile to shoot down one that had entered its airspace. Its drones are low-tech, but they have the attention of US defense analysts.
Some defense experts say it's likely Russia has provided Ukrainian rebels with surface-to-air weapons capable of taking down the Malaysian passenger plane. Pentagon officials say they cannot confirm that.
Sgt. Bowe Bergdahl, who is under investigation for the circumstances surrounding his capture by the Taliban, has reached out to Eugene Fidell, a full-time lecturer on military justice at Yale Law School.
President Obama is expected to name Bob McDonald Monday as the new head of the troubled Department of Veterans Affairs. McDonald has a military background, but it is his experience as a corporate CEO that likely will prove most useful.
The Pentagon has not yet begun its investigation into the circumstances that led to the capture of Sgt. Bowe Bergdahl. But the Pentagon explained what it will be looking into and how that could affect the sergeant.
Some in Congress are alarmed by reports of Iraqi forces throwing down their weapons and fleeing in the face of insurgents. They are asking the Pentagon if the same could happen after US troops leave Afghanistan.