Images from Syria

Syrian rebel fighters hold their weapons as they walk along a street in Aleppo's Salaheddine neighborhood, Jan. 10, 2014.

A Free Syrian Army fighter looks on as he holds the Syrian opposition flag during a protest against Syria's president and fighters from the Islamic State in Iraq and the Levant in Aleppo's Salaheddine neighborhood, Jan. 10, 2014.

A boy holds bread as he walks in front of the Syrian opposition flag during a protest against Syria's president and Islamic State in Iraq and the Levant in Aleppo's Salaheddine neighborhood, Jan. 10, 2014.

Bystanders look on as crews begin clearing the wreckage of a car bomb that exploded near a school in Al-Kafat, Syria, Jan. 9, 2014.

The remains of a car destroyed by a suicide bomb near the front of a damaged building in Al-Kafat, Jan. 9, 2014.

People survey the damage to a building destroyed by a suicide car bomb in Al-Kafat, Syria,  Jan. 9, 2014.

Damaged buildings line a deserted street in the besieged area of Homs, Jan. 9, 2014. 

Free Syrian Army fighters are deployed in Kadi Askar in Aleppo after they claimed that they seized it from the Islamic State in Iraq and the Levant, Jan. 7, 2014.

Free Syrian Army fighters prepare to launch a mortar towards fighters from the Islamic State in Iraq and the Levant from a street in the Kadi Askar neighborhood of Aleppo, Jan. 7, 2014.

The booster for NASA’s Space Launch System rocket was fired for a two-minute test at the Orbital ATK test facility. The test is one of two that will qualify the booster for flight before SLS begins carrying NASA’s Orion spacecraft and other potential payloads to deep space destinations.