What does HM stand for?

Helicopter Mine Countermeasures Squadron (US Navy aviation unit designation used from 1971 to present)

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

Military and Government

Other Resources:

<< Previous	Abbreviation Database Surfer		Next >>
Hazardous Material (HAZMAT) Headmaster Health Monitoring Heard & McDonald Islands (Kerguelen, Including Prince Edward & Crozetis Islands) Heard and McDonald Islands (ISO country code) Heavens Metal (Magazine) Heavy Magnum (ammunition) Heavy Metal Hectameter Hectometer		Helper Monkey Hennes & Mauritz Henry Molaison (memory loss patient) Her/His Majesty Herbal Medicine Herrschende Meinung (German: prevailing opinion; legal) Hey Mercedes (band) Hidden Machine (Pokémon) Hidden Mickeys (in Disney theme parks) High Maintenance

Samples in periodicals archive:

The helicopter was part of Helicopter Mine Countermeasures Squadron 15 out of Naval Air Station Corpus Christi, Mickey said.

Navy helicopter crash kills 3 in Texas

Helicopter Mine Countermeasures Squadron (HM) 15, homeported at NAS Corpus Christi, Texas, maintains an expeditionary detachment forward deployed in Bahrain to support Fifth Fleet operations.

Blackhawks shine in Operation Unified Assistance

Although the service has not yet designated which carriers will receive the countermine equipment, planners expect forward-deployed helicopter sea combat squadrons with Sikorsky Knighthawks to replace dedicated helicopter mine countermeasures squadrons flying the MH-53E Sea Dragon.

Navy upgrading sea-mine sweeper helicopters: budget cuts could slow ...

An MH-53E Sea Dragon of Helicopter Mine Countermeasures Squadron 14 suffered Class A damage following an emergency landing in Bahrain on 2 April.

Mishaps. (Airscoop)