Argentine National Gendarmerie: The Homeland's Sentinel
The Argentine National Gendarmerie (Spanish: Gendarmería Nacional Argentina, or GNA) serves as the primary border guard force and national gendarmerie of the Argentine Republic. Operating under the motto Centinela de la Patria ("Homeland's Sentinel"), this force is a unique hybrid organization defined as a civilian security force of a military nature.
Established in 1938, the GNA was created by the National Congress to replace Army regiments that previously managed border security. Its primary purpose was to secure isolated and sparsely populated frontier regions. Because of this origin, the Gendarmerie maintains a close functional relationship with the Argentine Army and the Ministry of Defense, while remaining subordinate to the Ministry of Security for its internal operations.

Key Facts
- Founded: 1938
- Personnel: Approximately 75,000 employees (with a reported strength of 30,000 as of 2011).
- Nature: Federal law enforcement agency with a military structure.
- Jurisdiction: National coverage across Argentina.
- Leadership: Overseen by the Minister of Security (Patricia Bullrich) and led by Commandant General Andrés Severino.
- Personnel Status: All non-commissioned personnel are volunteers.
Operational Roles and Missions
The GNA is tasked with a dual mandate covering both domestic security and national defense. Under Laws No. 23.554 and 24.059, the Gendarmerie fills the gap where the armed forces are legally prohibited from intervening in internal civil conflicts, except in support roles.
Primary Security Missions
The core responsibilities of the force include providing security for Argentina's national borders and protecting sites of strategic national importance, such as nuclear power plants.
Policing and Law Enforcement
The Gendarmerie frequently assists provincial police in rural areas and engages in specialized combat against various crimes, including:
- Drug trafficking and smuggling.
- Terrorism and economic crimes.
- Environmental crimes and illegal immigration.
- Crimes against life and freedom, including human trafficking and slavery.
Military and International Missions
Beyond domestic policing, the GNA participates in war-fighting missions (such as the Falklands War) and provides security for Argentine embassies and consulates abroad. They are also active in United Nations peacekeeping and humanitarian aid missions, having served in regions including Haiti, South Sudan, Lebanon, Rwanda, Bosnia and Herzegovina, and Colombia.

Organization and Structure
The GNA is managed through a centralized high command based in Buenos Aires, with five regional headquarters located in Campo de Mayo, Córdoba, Rosario, San Miguel de Tucumán, and Bahía Blanca.
Unit Hierarchy
The operational structure is organized as follows:
- Section (Pelotón): A small squad of personnel.
- Group (Grupo): The basic operational unit, consisting of several sections.
- Squadron (Escuadrón): Comprised of three groups.
- Grouping (Agrupación): A collection of squadrons, roughly equivalent to a battalion or regiment.
Specialized Units
The force maintains several specialized operational units, most notably the Grupo Alacrán (Special Forces), the Intelligence Squadron, and the Environment Protection Service. Support is provided by dedicated aviation, medical, and telecommunications services.
Equipment and Assets
The Gendarmerie utilizes a wide array of equipment suited for both urban policing and rugged border terrain.

| Category | Key Examples | Notes |
|---|---|---|
| Firearms | FN FAL, Beretta 92, Steyr AUG, Heckler & Koch MP5 | FN FAL is the standard service rifle. |
| Vehicles | VW Amarok, Ford Ranger, Mercedes-Benz Unimog, Spartan APC | Spartan APC is used by Grupo Alacrán. |
| Aircraft | Eurocopter EC135, Pilatus PC-12, AgustaWestland AW169 | Based at Campo de Mayo. |
Frequently Asked Questions
What is the difference between the GNA and the Argentine Army?
While the GNA has a military nature and shares rank insignia with the Army, it is a civilian security force subordinate to the Ministry of Security. It is specifically designed to handle internal security and border control, whereas the Army focuses on national defense.
How are Gendarmerie officers trained?
Officers must complete a three-year course at the National Gendarmerie Academy. Both officers and non-commissioned personnel also have access to the specialized training facilities of the Argentine Army.
What is the Grupo Alacrán?
The Grupo Alacrán is the Gendarmerie's Special Forces unit. They utilize specialized equipment, such as the Glock 17, FN P90, and STREIT Group Spartan armored personnel carriers.
Where does the Gendarmerie operate internationally?
The GNA provides security for Argentine embassies and consulates globally and participates in UN peacekeeping missions. They have deployed to countries including Guatemala, Angola, Cyprus, and Liberia.