1. The United Nations
   NATO
2. Any U.N. member

The U.N. charter gives that international body the authority to authorize member states to impose a no-fly zone.

1. Two
   Four
2. 12

The U.N. has imposed four no-fly zones since 1991, in northern and southern Iraq, Bosnia, and, most recently, in Libya.

1. Days or weeks
   Months
2. Years

Usually no-fly zones are in place for years. In Iraq, the northern no-fly zone remained in place from 1991 to 2003.

1. Operation Odyssey Dawn
   Operation Avenging Eagle
2. Operation Libya Freedom

The Pentagon named the mission in Libya Operation Odyssey Dawn. The British call it Operation ELLAMY, and the French named it Operation Harmattan.

1. Belgium
   Venezuela
2. Norway

Not only did Venezuela not send forces to participate, but its leader, Hugo Chavez, has expressed support for Gaddafi.

1. B-2 stealth bombers
   F-15 fighter jets
2. Both

Both B-2 stealth bombers and F-15 fighters are among the planes used in the no-fly zone operation.

1. Soviet Union
   Yugoslavia
2. Nationalist China

Gaddafi's handful of aircraft are mostly Soviet-made.

1. Usay
   Muammar, Jr.
2. Khamis

The Libyan dictator's son Khamis toured the U.S. Air Force Academy in February, eight days before the uprising in Libya began.

1. Harrier
   Sentinel
2. Nimrod

The Nimrod R-1 surveillance aircraft gets its name from Nimrod, the great-grandson of Noah, who was the king of Shimar.

1. Syria
   Jordan
2. Iran

Jordan sent jets to participate in the no-fly zone operation.