FBI Director Robert Mueller, Director of National Intelligence James Clapper and CIA Director David Petraeus appear before the Senate Select Committee on Intelligence on Capitol Hill on Tuesday. Win McNamee/Getty Images hide caption
National Security
Tuesday
Monday
Thursday
President Obama has called on small, elite military units to carry out several risky operations in the past year, like the hostage rescue this week in Somalia. Here, Navy SEALs are shown during a training exercise at the John C. Stennis Space Center in Mississippi. John Scorza/U.S. Navy hide caption
Monday
The U.S. military wants Afghan troops to begin taking the lead role in combat operations. Here, Afghan cadets who are joining the army are shown at their graduation ceremony on Dec. 18 in the northern city of Mazar-i-Sharif. Qais Usyan/AFP/Getty Images hide caption
Sunday
A student paints the Facebook logo on a mural commemorating Egypt's revolution last spring. The team from the CIA's Open Source Center monitors social media activity overseas. Manoocher Deghati/AP hide caption
Thursday
The chairman of the U.S. Joint Chiefs of Staff, Gen. Martin Dempsey (left), is in Israel to talk about the growing tension with Iran. Here, Dempsey speaks with Israel's top military officer, Lt. Gen. Benjamin Gantz, during a meeting at NATO headquarters in Brussels on Wednesday. Virginia Mayo/AP hide caption
Thursday
A still frame taken from a YouTube video purportedly shows Marines who desecrated three dead men thought to be members of the Taliban in Afghanistan. YouTube hide caption
Wednesday
A member of Iran's navy participates in a drill on Dec. 28, 2011, in the Sea of Oman. Tehran is threatening to close the strategic Strait of Hormuz at the mouth of the Persian Gulf, in retaliation for new sanctions by the West. Ali Mohammadi/AP hide caption
A soldier stands guard at the front gate to Guantanamo's Camp 6 maximum-security detention facility in 2009. Wednesday marks 10 years since detainees first arrived at the detention facility. Brennan Linsley/AP hide caption
Monday
The U.S. is still trying to formulate new policies for the fast-changing politics of the Middle East. Here, Hillary Clinton stands with Libyan fighters who ousted Moammar Gadhafi during an Oct. 18 visit by the U.S. secretary of state to the capital Tripoli. Kevin Lamarque/AFP/Getty Images) hide caption