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What does MUM stand for?

MUM stands for Manned and Unmanned (US Army)

This definition appears frequently and is found in the following Acronym Finder categories:

  • Military and Government

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Other Resources:
We have 66 other meanings of MUM in our Acronym Attic

Samples in periodicals archive:

Troops can't seem to get enough of the aerial reconnaissance gathered by manned and unmanned aircraft, which has proven invaluable to them in recent conflicts.
Only two days before the report's May 23 official release, for example, the National Research Council's Space Science Board strongly recommended return to a balanced fleet of manned and unmanned launch vehicles, rather than the shuttle-dominated policy that had been in effect before the Challenger mishap.