Recent rebel successes include the downing of a helicopter over Damascus and the destruction of several more in an attack on an air base near Aleppo.

ECONOMIST: The conflict in Syria

Gul, who was taken to a U.S. military hospital at Bagram Air Base after the attack and treated for the bullet wound to his left shoulder, is now a watchman at the new school.

NPR: Afghan Villagers Flee Their Homes, Blame US Drones

Quite the contrary: the safe evacuation of all U.S. government personnel from Benghazi twelve hours after the initial attack and subsequently to Ramstein Air Force Base was the result of exceptional U.S. government coordination and military response, and helped save the lives of two severely wounded Americans.

WHITEHOUSE: Press Briefing

On Thursday, Pyongyang threatened to attack American naval bases in Japan and an air base in Guam.

BBC: China IP address link to South Korea cyber-attack

There have been some questions about whether Saudi Arabia will allow the U.S. to use an air base as a command center for any military attack on Afghanistan.

CNN: Kelly Wallace is a CNN White House correspondent.

Other U.S. officials said the United States has long suspected members of Iranian security forces of being linked to the attack on Khobar Towers at the King Abdul Aziz air base.

CNN: Khobar Towers indictments returned