fo
Noun: 1. A military officer holding the rank of major, lieutenant colonel, or colonel: "Fo" is a term used to refer to a field-grade officer, specifically one who holds a mid-level command rank between company-grade officers and general officers.
The term "fo" is a specialized military abbreviation. It is used primarily in written contexts, such as reports, organizational charts, or informal communication within military structures, to concisely denote a field officer. - The battalion's command structure included several fos responsible for planning. - Send the update to the fo for approval.
- As a designator in documents: Often used in tables, lists, or shorthand notes to categorize officers by rank group.
- Personnel Roster: CPT Smith, MAJ Jones (fo), LTC Brown (fo).
- Field Officer (n): The full term for which "fo" is the common abbreviation.
- The field officer conducted the inspection.
- Field-Grade Officer (n): A synonym describing the same category of ranks.
- Promotion to field-grade officer requires significant experience.
- Field Officer
- Field-Grade Officer
- Senior Captain (Note: This is sometimes considered the junior end of this group, but is not always included under "fo").
The term "fo" specifically and exclusively refers to the set of officer ranks comprising Major, Lieutenant Colonel, and Colonel. It does not refer to a specific job title (like "operations officer") but to the rank category itself. It is not typically used for naval officers of equivalent rank (e.g., Commander, Captain), who are more commonly referred to as "senior officers."
- an officer holding the rank of major or lieutenant colonel or colonel