21.   Having encountered little resistance from Iraqi air defenses or foul weather, the strikes have gone largely according to plan.

22.   He attributes the achievement to the early elimination of Taliban air defenses and to U.S. reliance on technology that can deliver bombs accurately without flying near the target.

23.   He said that once low-level attacks begin, the air defenses pose their greatest threat.

24.   In a telephone interview, Clark said the strikes were methodically following a plan that emphasized air defenses, but also included strikes at the army and police headquarters.

25.   In a few cases, air defense may be appropriate.

26.   In contrast, the high-tech helicopters were used in the Gulf War on the first night of Operation Desert Storm to destroy Iraqi air defenses.

27.   In addition to the initial withdrawal of armed personnel, by Thursday night, Yugoslavia is to end military flights over Kosovo and stop all air defense.

28.   In the Russian north, civilian traffic controllers are to be concentrated at four sites that previously were largely dedicated to military air defense.

29.   Iraqi troops invaded the area recently and the U.S. retaliated with attacks on Iraqi air defenses.

30.   It is unclear where Taiwan would turn to upgrade its air defenses if not to the United States.

n. + defense >>共 337
missile 30.65%
air 9.54%
zone 6.80%
title 6.31%
insanity 4.84%
run 3.33%
pass 3.01%
pressure 2.45%
team 2.12%
theater 1.73%
air + n. >>共 541
travel 5.54%
attack 5.02%
pollution 4.75%
controller 4.63%
campaign 4.31%
traffic 4.02%
fare 2.87%
time 2.78%
system 2.54%
quality 2.38%
defense 1.83%
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