Critical Occupational Specialty Definition - MilitaryDictionary.org

critical occupational specialty

1.) A military occupational specialty selected from among the combat arms in the Army or equivalent military specialties in the Navy, Air Force, or Marine Corps. Equivalent military specialties are those engaged in operational art in order to attain strategic goals in an operational area through the design, organization, and conduct of campaigns and major operations. Critical occupational specialties are designated by the Secretary of Defense.

See Also:

• also called COS

In the United States, military vocabulary is standardized by the Department of Defence. These terms are used by the United States Army, Navy, Air Force, and Marine Corps.