Last fall, NATO determined in a confidential assessment that it would take 200,000 troops to invade and occupy Kosovo, and several weeks to muster them.

Invading Kosovo means owning Kosovo.

Last fall, NATO conducted a confidential assessment that determined it would take 100,000 to 200,000 allied troops to invade and secure Kosovo.

Would he have invaded Kosovo?

"I don't think there's anybody among the chiefs saying, 'By God, if we don't invade Kosovo, it will be a travesty'," one official said.

NATO countries began to deliberate about invading Kosovo with ground units.

Cynthia McKinney voted yes to prevent the United States from invading Kosovo in 1999.

The Yugoslav army claims it might invade Kosovo because the U.N. has failed to protect non-Albanian civilians.

Allied officials reiterated, though, that there was no consideration of using ground forces to invade Kosovo.

First to invade Kosovo in these years were the Serbs.