penetration aid

American  

noun

Military.

1. a device or tactic, as the use of chaff or decoys or the maintaining of a low flight level, that helps an aircraft or missile to enter hostile air space.

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Etymology

Origin of penetration aid

First recorded in 1965–70

Example Sentences

The report also said one country assessed that North Korea "may seek to further develop miniaturization in order to allow incorporation of technological improvements such as penetration aid packages or, potentially, to develop multiple warhead systems."

From Fox News

The UN report said one country, which it did not identify, assessed that North Korea “may seek to further develop miniaturisation in order to allow incorporation of technological improvements such as penetration aid packages or, potentially, to develop multiple warhead systems”.

From The Guardian

The U.N. report said one country, which it did not identify, assessed that North Korea “may seek to further develop miniaturisation in order to allow incorporation of technological improvements such as penetration aid packages or, potentially, to develop multiple warhead systems.”

From Reuters