milk run

The definition of a milk run is slang for a routine mission that has a low chance of danger.

(noun)

An example of a milk run is a routine military procedure such as delivery of mail in a non-combat situation.

See milk run in Webster's New World College Dictionary

Slang a routine mission, as of a bomber aircraft, that is not expected to be dangerous

See milk run in American Heritage Dictionary 4

noun
Slang

A routine trip involving stops at many places.

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