21.   But by the time Tighe was overhead, the Humvee had disappeared without a trace, presumably driven across enemy lines by Yugoslav forces or sympathizers.

22.   But if the U.S. troops were in Yugoslavia on a reconnaissance mission, Yugoslav forces would be justified in capturing the Americans and holding them as prisoners of war.

23.   But many doubt that the rebels have inflicted much damage on the Yugoslav forces.

24.   But the officials stressed that the NATO bombing campaign would continue until there was concrete evidence that Yugoslav forces were moving north out of Kosovo.

25.   But when Yugoslav forces launched a major offensive after the bombing began, hundreds of parents were blocked from retrieving their children.

26.   Clark and Solana, however, warned of the considerable strength and firepower of Yugoslav forces, and the danger the weather and terrain posed to NATO forces.

27.   Despite the unilateral ceasefire declaration by Milosevic, Yugoslav forces continued to engage remnants of the Kosovo Liberation Army.

28.   Each day brings a new wave of bedraggled refugees to Albania and Macedonia, and with them stories of unspeakable abuses and killing by the Yugoslav forces in Kosovo.

29.   Fed a steady diet of stories suggesting that US reluctance to commit ground troops in Kosovo was an American trick, Yugoslav forces moved closer to the border.

30.   First, the State Department argues that it would be dangerous to leave a vacuum in Kosovo as Yugoslav forces withdraw by waiting for a Security Council resolution.