Unguided bomb

（重定向自Gravity bombs）

An unguided 227 kg (500lb) Mark 82 bomb.

A F-111 dropping Mark 82 bombs with ballute type retardation systems (Mk82AIR / BSU49B)

An unguided bomb, also known as a free-fall bomb, gravity bomb, dumb bomb, or iron bomb, is a conventional aircraft-delivered bomb that does not contain a guidance system and hence, simply follows a ballistic trajectory.

This described all aircraft bombs in general service until the latter half of World War II, and the vast majority until the late 1980s.

单词	Gravity bombs
释义	Gravity bombs 原声例句奇趣工程百科 Gravity bombs, cluster bombs, precision-guided missiles, and combined direct assault munitions are examples of such weapons. 重力炸弹、集束炸弹、精确制导导弹和组合直接攻击弹药都是此类武器的例子。英语百科 Unguided bomb （重定向自Gravity bombs） An unguided bomb, also known as a free-fall bomb, gravity bomb, dumb bomb, or iron bomb, is a conventional aircraft-delivered bomb that does not contain a guidance system and hence, simply follows a ballistic trajectory. This described all aircraft bombs in general service until the latter half of World War II, and the vast majority until the late 1980s.
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