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Naval Warfare

ARA Hercules (D1) / (B52)

Destroyer Warship / Amphibious Assault Vessel [ 1976 ]

Built in Britain prior to the 1982 Falklands War, ARA Hercules still maintains an active presence in the Argentine fleet today - now in a support role.

Authored By: Staff Writer | Last Edited: 06/27/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

Prior to the Falklands War (1982) against Britain, Argentina maintained a relationship with the European power to the point that it was able to procure a pair of its "Type 42" destroyer warships. These were christened as ARA hercules (D1) and ARA Santisima Trinidad (D2). Both were ordered on May 18th, 1970 and acquired on June 16th, 1971 and October 11th, 1971, respectively. ARA Hercules (constructed by Vickers Shipbuilding Ltd of Barrow-in-Furness) was launched on October 24th, 1972 and taken into service on May 10th, 1976. Her formal commissioning took place on July 12th, 1976. Santisima followed on July 1st, 1981. Hercules was assigned to Puerto Belgrano Naval Base.

ARA Hercules was completed to the original Type 42 standard which made up most of the British Royal Navy's Type 42 fleet (a few were completed with lengthened hulls). After some time in service, her offensive capabilities were augmented by installation of the French-made MM-38 "Exocet" anti-ship missiles which forced a revision of some of her structure near the smoke funnel. She retained her 4.5" turreted deck gun, a twin-launcher Sea Dart unit, 2 x 20mm Anti-Aircraft (AA) guns as well as 6 x 12.75" (324mm) torpedo tubes. She also held onboard facilities for a single Westland Lynx (or similar) navy helicopter. Power was from a COmbined Gas And Gas (COGAG) arrangement involving 2 x TM-3B and 2 x RM-1A gas turbines driving 2 x shafts. She could hope to make headway at 28 knots in ideal conditions. Her crew complement numbered 280.

For the 1982 conflict with Britain, ARA Hercules joined ARA Santisima Trinidad as escorts to the ARA Veinticinco de Mayo aircraft carrier (detailed elsewhere on this site) but she faced mechanical issues which limited her participation. Very little action beyond tracking and fending off a British Sea Harrier was seen and Argentina went on to lose the war and control of the Falkland Islands for good.

In the post-war period, in 2000 specifically, ARA Hercules was taken to neighboring Chile where a expansive program was done on her to convert the warship to more of a multi-purpose-minded transport vessel. This included an enlarging of her hangar space and stern flight deck and removal of some of her original armament. The warship carried provision and space for 238 combat-ready troops as well as a crew of 166 and could now operate 2 x Sikorsky SH-3 Sea King (or similar) navy helicopters (these further equipped with anti-ship missiles for over-the-horizon work).

As of 2016, ARA Hercules - now given the Pennant Number "B-52" - maintains an active status in the Argentine fleet. She was assigned to the amphibious force section in 1999. Her sister was given up in 1989.©MilitaryFactory.com
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Service Year

Argentina national flag graphic

In Active Service.

Type 42

ARA Hercules (D1); ARA Santisima Trinidad (D2)

National flag of Argentina Argentina
(OPERATORS list includes past, present, and future operators when applicable)
Amphibious Assault
A shallow draught, and other qualities, give this vessel the ability to support amphibious assault operations close-to-shore.
Offshore Bombardment
Offshore bombardment / attack of surface targets / areas primarily through onboard ballistic weaponry.
Offshore strike of surface targets primarily through onboard missile / rocket weaponry.
Maritime Patrol
Active patroling of vital waterways and maritime areas; can also serve as local deterrence against airborne and seaborne threats.
Airspace Denial / Deterrence
Neutralization or deterrence of airborne elements through onboard ballistic of missile weaponry.
Fleet Support
Serving in support (either firepower or material) of the main surface fleet in Blue Water environments.

410.0 ft
124.97 m
48.0 ft
14.63 m
17.0 ft
5.18 m

Installed Power: 2 x TM-3B gas turbines developing 54,400 horsepower with 2 x RM-1A gas turbines developing 8,200 horsepower driving 2 x shafts in COGAG arrangement.
Surface Speed
28.0 kts
(32.2 mph)
4,171 nm
(4,800 mi | 7,725 km)

kts = knots | mph = miles-per-hour | nm = nautical miles | mi = miles | km = kilometers

1 kts = 1.15 mph | 1 nm = 1.15 mi | 1 nm = 1.85 km
As Built:
1 x 4.5" (114mm) Dual-Purpose (DP) Deck Gun
1 x Sea Dart Anti-Aircraft Missile (AAM) twin launcher
2 x 20mm AA cannons
6 x 12.75" (324mm) torpedo tubes

Pre-1982 Modification:
4 x MM38 Exocet Anti-Ship Missiles (ASMs) added

Post-2000 Conversion to assault transport:
1 x 4.5" DP gun
2 x 20mm AA guns
6 x 12.75" torpedo tubes

Supported Types

Graphical image of a modern warship turreted deck gun armament
Graphical image of an aircraft aerial torpedo
Graphical image of an aircraft anti-ship missile

(Not all weapon types may be represented in the showcase above)
As Built:
1 x Westland Lynx navy helicopter (ASW)

After 2000 Conversion:
2 x Sikorsky SH-3 Sea King navy helicopters (ASW)

Military lapel ribbon for the Cold War period
Military lapel ribbon for early warship designs
Military lapel ribbon for the Falklands War
Military lapel ribbon for the 1991 Gulf War
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Military lapel ribbon representing modern aircraft
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Military lapel ribbon for the Russian Invasion of Ukraine
Military lapel ribbon for the Vietnam War
Military lapel ribbon for the World War 1
Military lapel ribbon for the World War 2

Ribbon graphics not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective naval campaigns / operations / periods.

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