Unguided bomb

（重定向自Iron bomb）

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	Iron bomb
释义	Iron bomb 英语百科 Unguided bomb （重定向自Iron bomb） 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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