防空炮将炮弹发射到目标所在的大致范围，炮弹爆炸后将弹片布满该区域。
Shells would be fired in the general area of the target, which would then explode, filling the area with shrapnel.
另外还有地理因素：这些国家彼此都非常接近，从发射到目标，一个带核弹头的导弹的飞行时间只要几分钟。
There's also the geographic factor: These countries are very close to one another; a nuclear-armed missile's flight time, from launcher to target, is a few minutes.
其中之一是将小卫星发射到低地球轨道构成卫星星座，以便能提供对目标的持续覆盖。
One calls for launching microsatellites into low Earth orbit in constellations that would provide continuous target coverage.
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