51.   The attacks have continued day and night since the first phase of the bombing last week damaged Taliban air defenses and opened the way for daylight raids.

52.   The attacks on air defenses were designed to make it safer for piloted aircraft to strike deeper into Iraq in attacks that are expected to continue Friday.

53.   The battering focused largely, though not entirely, on the air defenses and command network that pose the greatest threat to allied pilots crisscrossing Yugoslavia.

54.   The cruise-missile attack launched against Bosnian Serb air defenses on Sunday has exposed emerging fault lines within the NATO alliance as well as with Russia.

55.   The Defense Department said the new airstrikes were focused on the same kind of targets as the first round - command and control facilities and air defenses.

56.   The damage wrought by this low-level war of attrition on Iraqi air defenses has been significant, the Pentagon said.

57.   The enemy will also be protected by a solid wall of overlapping air defenses.

58.   The first barrage of several dozen cruise missiles started falling on air defenses across Yugoslavia, Pentagon and NATO officials said.

59.   The initial aim is to develop an uncrewed plane capable of flying ahead of, or with, piloted aircraft to suppress enemy air defenses.

60.   The loss of air defenses led to the quick Japanese conquest of the Philippines and the infamous Bataan Death March.