dead space

Definition

An area within the maximum range of a weapon that cannot be covered by fire due to terrain features or obstacles. Nature's way of reminding you that line of sight is a harsh mistress.

Example Usage

We have significant dead space in that gully—position a machine gun team to cover it.

Origin

Field artillery and infantry doctrine terminology

Fun Fact

Dead space is a primary consideration in defensive position construction and is why military engineers love high ground.

Source: Infantry tactics and defensive operations

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