21.   A downed Black Hawk helicopter is just the beginning of a ghastly urban siege in which the front line moves from street to street.

22.   A downed Blawk Hawk helicopter is just the beginning of a ghastly urban siege where the front line moved from street to street.

23.   A downed Blawk Hawk helicopter is just the beginning of a ghastly urban siege where the front line moves from street to street.

24.   A military investigation found that the controllers on the radar-warning plane failed to alert the fighters that the helicopters were friendly.

25.   A rescue helicopter was unable to land in the terrain but dropped a ladder and the seven Vietnamese troops climbed to safety.

26.   Actually, there ARE black helicopters out there -- the Army has unmarked helicopters and so do a number of federal agencies.

27.   But primarily, the helicopter is for gamblers.

28.   But where helicopters are concerned, there is one major difference from the past.

29.   But when the helicopter was full, the soldiers returned them to the village.

30.   Clark spent Sunday in Albania, where he said Apache attack helicopters would soon be ready to strike inside Kosovo.