ARA General Belgrano

The ARA General Belgrano was an Argentine light cruiser with a storied past, originally serving in the U.S. Navy during World War II. Her journey culminated in the Falklands War, where she met a dramatic end that would become one of the conflict's most enduring and debated incidents. Her sinking marked a pivotal moment, altering the course of the war and sparking decades of controversy. The ARA General Belgrano, a veteran of World War II as USS Phoenix, was acquired by Argentina and played a key role in its navy. Her sinking by a British nuclear submarine during the Falklands War was a strategic move that effectively neutralized the Argentine surface fleet. The legality and circumstances surrounding the attack remain a subject of intense debate, influencing both military strategy and international law.

Source: Wikipedia

AI Summary

The ARA General Belgrano was an Argentine light cruiser with a storied past, originally serving in the U.S. Navy during World War II. Her journey culminated in the Falklands War, where she met a dramatic end that would become one of the conflict's most enduring and debated incidents. Her sinking marked a pivotal moment, altering the course of the war and sparking decades of controversy.

A Veteran Cruiser's Transatlantic Journey

Our story begins with a ship named USS Phoenix, a light cruiser launched in 1938 for the United States Navy. This Brooklyn-class cruiser was built in Camden, New Jersey, designed for speed and formidable firepower. Little did her builders know the incredible journey she was destined to undertake.

Phoenix famously survived the Japanese attack on Pearl Harbor in 1941 completely undamaged, sailing unscathed through the chaos. She went on to earn nine battle stars for her distinguished service in the Pacific theater of World War II, a testament to her robust design and the courage of her crews.

After the war, in 1951, the veteran cruiser began a new chapter across the globe. She was sold to Argentina and renamed '17 de Octubre,' a significant date in Argentine political history, symbolizing 'Loyalty Day' for then-President Juan Perón's political party.

However, her name would change again after the 1955 coup that overthrew Perón. She was rechristened 'General Belgrano' in honor of Manuel Belgrano, a revered Argentine founding father who fought for independence and established the country's first school of navigation. This ship was even involved in a minor collision with her sister ship, ARA Nueve de Julio — another ex-USN cruiser — during exercises in 1956.

The General Belgrano underwent modernizations, notably receiving the Sea Cat anti-aircraft missile system in the late 1960s. For decades, she served as a formidable component of the Argentine Navy, her imposing presence a symbol of national pride... until the dawn of the Falklands War in 1982.

The Falklands War: A Deadly Encounter

On April 12, 1982, following Argentina's invasion of the Falkland Islands, the United Kingdom declared a 200-nautical-mile Maritime Exclusion Zone, or MEZ, around the islands. Any Argentine warship entering this zone risked attack. The stakes were immediately high.

A few days later, on April 23, the British government clarified its stance through the Swiss Embassy in Buenos Aires: any Argentine ship or aircraft posing a threat to British forces would be attacked, regardless of its position relative to the MEZ. This was a critical warning, signaling an escalation beyond a simple exclusion zone.

By April 30, the MEZ was upgraded to a 'Total Exclusion Zone,' or TEZ, where any vessel or aircraft, even from neutral countries, could be fired upon without warning if it entered. Importantly, the UK explicitly reserved the right to take 'whatever additional measures may be needed in exercise of its right of self-defence' under Article 51 of the UN Charter, signaling its intent for broader action.

As the British Task Force approached, Argentina's military junta began reinforcing the islands. Naval units were ordered into strategic positions. The General Belgrano, along with two destroyers, ARA Piedra Buena and ARA Hipólito Bouchard, and the tanker YPF Puerto Rosales, formed Task Group 79.3.

On April 29, Task Group 79.3 was patrolling the Burdwood Bank, south of the Falklands. The very next day, the British nuclear-powered hunter-killer submarine HMS Conqueror detected the General Belgrano. An order from Argentine Admiral Juan Lombardo then changed everything: all Argentine naval units were to launch a 'massive attack' on the British task force the following day.

This critical order was intercepted by British Intelligence. Prime Minister Margaret Thatcher and her War Cabinet, meeting at Chequers, swiftly agreed to a request from Admiral Terence Lewin to alter the rules of engagement. This crucial decision allowed an attack on the General Belgrano, even though she was outside the declared Total Exclusion Zone, because she was deemed a clear and present threat.

At 2:57 PM on May 2nd, HMS Conqueror fired three conventional 21-inch Mk 8 torpedoes, each carrying an 805-pound Torpex warhead. Despite having more modern homing torpedoes, their reliability was questionable, leading to the use of these proven, though unguided, weapons. Two of the three torpedoes struck the General Belgrano.

The first torpedo hit about 10-15 meters aft of the bow, tearing off a section of the ship's front. Remarkably, the internal torpedo bulkheads held, preventing a detonation of the forward powder magazine. No crew members are believed to have been in that section at the moment of impact.

The second torpedo, however, was catastrophic. It struck just outside the rear of the ship's side armor, exploding in the aft machine room. This blast ripped upward through two messes and a relaxation area, creating a 20-meter-long hole in the main deck. An estimated 275 men were killed instantly or fatally wounded in that area.

The explosion disabled the ship's electrical power, preventing a distress call, and water rushed in, overwhelming damaged pumps. Compounding the disaster, many watertight doors were open, allowing water to spread rapidly throughout the ship. The General Belgrano began to list severely to port and sink by the bow.

Just 20 minutes after the attack, at 4:24 PM, Captain Bonzo gave the order to abandon ship. Inflatable life rafts were deployed, and the crew began evacuating. Meanwhile, the two escorting destroyers, separated by the darkening weather and fog, were tragically unaware of what had befallen their flagship. They continued westward, missing distress signals.

By the time the escorts realized the Belgrano was gone, night had fallen, and the severe weather scattered the life rafts across the frigid South Atlantic. Over the next two days, Argentine and Chilean ships rescued 772 men, but 323 souls, including 321 crew members, were lost to the attack — nearly half of Argentina's total military deaths in the war.

Naval Aftermath

The sinking of the General Belgrano had immediate and profound consequences. The entire Argentine fleet, including its aircraft carrier, retreated to its bases and played no further major role in the conflict. British nuclear submarines continued their sea denial operations, gathering intelligence and effectively bottling up the Argentine navy.

This withdrawal meant all Argentine aircraft had to operate from distant land bases, pushing them to the absolute limit of their range. For the Argentine military junta, the navy's minimal role following the sinking led to a significant loss of credibility and influence within its ranks.

A Storm of Controversy

The sinking of the General Belgrano quickly became one of the most contentious events of the Falklands War, sparking fierce debate over its legality and the circumstances surrounding it. Was she sailing away from the battle? Was the attack a war crime?

Early reports, especially in the British press, suggested the Belgrano was heading away from the exclusion zone and back to mainland Argentina. This narrative fueled criticism from anti-war campaigners and some politicians, who questioned the necessity and morality of the attack.

The Legal Landscape

A crucial element of the controversy revolved around the UK's warning on April 23. This message, relayed through the Swiss Embassy, unequivocally stated that the 200-mile exclusion zone was not the limit of British military action. Any Argentine warship, submarine, auxiliary, or military aircraft threatening British forces would be met with an 'appropriate response,' regardless of its location.

Captain Hector Bonzo, the Belgrano's commanding officer, consistently maintained that his ship was maneuvering, not 'sailing away' from the exclusion zone, and was under orders to attack any British ships within range. He famously stated, 'It was absolutely not a war crime. It was an act of war, lamentably legal.' Argentine Rear Admiral Allara also acknowledged that after the April 23 message, 'the entire South Atlantic was an operational theatre for both sides.'

Admiral Sandy Woodward, who commanded the British task force, elaborated on the tactical necessity in his book 'One Hundred Days.' He argued that the General Belgrano was part of a larger pincer movement against the British fleet. He famously wrote: 'The speed and direction of an enemy ship can be irrelevant, because both can change quickly. What counts is his position, his capability and what I believe to be his intention.'

Political Fallout

The sinking also became intertwined with diplomatic efforts. Just 14 hours before the attack, the President of Peru proposed a comprehensive peace plan. While critics questioned why the UK didn't halt the attack, Prime Minister Thatcher and London diplomats stated they had not seen the document until after the sinking. Diplomatic efforts had, to that point, completely failed.

In 1985, a senior civil servant, Clive Ponting, leaked documents to Labour MP Tam Dalyell, alleging the General Belgrano was sailing away from the exclusion zone when attacked. Ponting was unsuccessfully prosecuted under the Official Secrets Act, highlighting the deep political divisions and secrecy surrounding the event.

Margaret Thatcher herself addressed the controversy on live television in 1983, stating the General Belgrano was a genuine threat to British ships and lives. She famously remarked, 'I think it could only be in Britain that a prime minister was accused of sinking an enemy ship that was a danger to our navy, when my main motive was to protect the boys in our navy.'

The Infamous Headline

Perhaps one of the most controversial elements of the sinking's aftermath was the British tabloid newspaper 'The Sun's' headline on May 4: 'Gotcha.' This celebratory, yet insensitive, reaction to the sinking drew immense criticism. Early editions mistakenly reported the Belgrano as only damaged and another ship sunk, rather than the true, tragic scale of loss.

While the 'Gotcha' headline was quickly toned down in later editions to 'Did 1,200 Argies drown?' after news of heavy casualties, its initial brazenness became a lasting symbol of the perceived jingoism and insensitivity surrounding the Falklands War in some quarters.

Legacy and Remembrance

Decades later, the legal status of the sinking was officially clarified by Argentina. An official Defence Ministry report in 1994 declared the sinking a 'legal act of war,' explaining that 'acts of war can be carried out in all of the enemy's territory' and 'in international waters.' This official stance, though dismaying to some veterans, reaffirmed the military perspective.

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ARA General Belgrano

ARA General Belgrano (C-4) was an Argentine Navy light cruiser in service from 1951 until 1982. Originally commissioned by the U.S. Navy as USS Phoenix, she saw action in the Pacific theatre of World War II before being sold to Argentina. The vessel was the second to have been named after the Argentine founding father Manuel Belgrano (1770–1820). The first vessel was a 7,069-ton armoured cruiser completed in 1896.

She was sunk on 2 May 1982 during the Falklands War by the Royal Navy submarine Conqueror with the loss of 323 lives. Losses from General Belgrano totalled just under half of Argentine military deaths in the war.

She was the first ship to have been sunk during military operations by a nuclear-powered submarine (the second being the Iranian IRIS Dena, which was sunk by the American submarine USS Charlotte during the 2026 Iran war) and the second sunk in action by any type of submarine since World War II (the first being the Indian frigate INS Khukri, sunk by the Pakistani submarine PNS Hangor during the India–Pakistan war of 1971).

Early career

ARA General Belgrano

Phoenix at Pearl Harbor in 1941

The warship was built as USS Phoenix, the sixth ship of the Brooklyn-class cruiser design, in Camden, New Jersey, by the New York Shipbuilding Corporation starting in 1935, and launched in March 1938. She survived the Japanese attack on Pearl Harbor in 1941 undamaged, and went on to earn nine battle stars for World War II service. At the end of the war, she was placed in reserve at Philadelphia on 28 February 1946, decommissioned on 3 July that year and remained laid up at Philadelphia.

Phoenix was sold to Argentina in October 1951 and renamed 17 de Octubre after the "Loyalty day", an important symbolic date for the political party of president Juan Perón. Sold with her was another of her class, USS Boise, renamed ARA Nueve de Julio, which was withdrawn in 1977.

17 de Octubre was one of the main naval units that joined the 1955 coup which overthrew Perón, and was afterwards renamed General Belgrano after Manuel Belgrano, a lawyer who had founded the Escuela de Náutica (School of Navigation) in 1799 and with the rank of general fought for Argentine independence from 1811 to 1819. General Belgrano accidentally rammed her sister ship Nueve de Julio on exercises in 1956, causing damage to both. General Belgrano was outfitted with the Sea Cat anti-aircraft missile system between 1967 and 1968.

Sinking

ARA General Belgrano

Deployment of naval forces on 1–2 May 1982 in the South Atlantic

On 12 April 1982, following the 1982 invasion of the Falkland Islands, the United Kingdom declared a 200-nautical-mile (370 km) Maritime Exclusion Zone (MEZ) around the Falkland Islands within which any Argentine warship or naval auxiliary entering the MEZ might be attacked by British forces. On 23 April, the British Government clarified in a message that was passed via the Swiss Embassy in Buenos Aires to the Argentine government that any Argentine ship or aircraft that was considered to pose a threat to British forces would be attacked.

On 30 April this was upgraded to the total exclusion zone, within which any sea vessel or aircraft from any country entering the zone might be fired upon without further warning. The zone was stated to be "...without prejudice to the right of the United Kingdom to take whatever additional measures may be needed in exercise of its right of self-defence, under Article 51 of the United Nations Charter." The concept of a total exclusion zone was a novelty in maritime law; the Law of the Sea Convention had no provision for such an instrument. Regardless of the uncertainty of the zone's legal status, it was widely respected by the shipping of neutral nations.

The Argentine military junta began to reinforce the islands in late April when it was realised that the British Task Force was heading south. As part of these movements, Argentine naval units were ordered to take positions around the islands. Two Task Groups designated 79.1, which included the aircraft carrier ARA Veinticinco de Mayo plus two Type 42 destroyers, and 79.2, which included three Exocet missile-armed Drummond-class corvettes, sailed to the north. General Belgrano had left Ushuaia in Tierra del Fuego on 26 April. Two destroyers, ARA Piedra Buena and ARA Hipólito Bouchard (also ex-USN vessels) were detached from Task Group 79.2 and together with the tanker YPF Puerto Rosales, joined General Belgrano to form Task Group 79.3.

By 29 April, the ships were patrolling the Burdwood Bank, south of the islands. On 30 April, General Belgrano was detected by the British nuclear-powered hunter-killer submarine Conqueror. The submarine approached over the following day. On 1 May 1982, Admiral Juan Lombardo ordered all Argentine naval units to seek out the British task force around the Falklands and launch a "massive attack" the following day. General Belgrano, which was outside and to the south-west of the exclusion zone, was ordered south-east.

Lombardo's signal was intercepted by British Intelligence. As a result, Prime Minister Margaret Thatcher and her War Cabinet, meeting at Chequers the following day, agreed to a request from Admiral Terence Lewin, the Chief of the Defence Staff, to alter the rules of engagement and allow an attack on General Belgrano outside the exclusion zone. Although the group was outside the British-declared total exclusion zone of 370 km (200 nautical miles) radius from the islands, the British decided that it was a threat. After consultation at Cabinet level, Thatcher agreed that Commander Chris Wreford-Brown should attack General Belgrano.

At 14:57 (Falkland Islands Time) on 2 May, Conqueror fired three 21-inch Mk 8 mod 4 torpedoes (conventional, non-guided, torpedoes in service from 1927), each with an 805-pound (363 kg) Torpex warhead. While Conqueror was also equipped with the newer Mark 24 Tigerfish homing torpedo, there were doubts about its reliability. Initial reports from Argentina claimed that Conqueror fired two Tigerfish torpedoes on General Belgrano. Two of the three torpedoes hit General Belgrano. According to the Argentine government, General Belgrano's position was 55°24′S 61°32′W / 55.400°S 61.533°W.

One of the torpedoes struck 10 to 15 metres (33 to 49 ft) aft of the bow, outside the area protected by either the ship's side armour or the internal anti-torpedo bulge. This blew off the ship's bow, but the internal torpedo bulkheads held and the forward powder magazine for the 40 mm gun did not detonate. It is believed that none of the ship's company were in that part of the ship at the time of the explosion.

The second torpedo struck about three-quarters of the way along the ship, just outside the rear limit of the side armour plating. The torpedo punched through the side of the ship before exploding in the aft machine room. The explosion tore upward through two messes and a relaxation area called "the Soda Fountain" before finally ripping a 20-metre-long (66 ft) hole in the main deck. Later reports put the number of deaths in the area around the explosion at 275 men. After the explosion, the ship rapidly filled with smoke. The explosion also damaged General Belgrano's electrical power system, preventing her from putting out a radio distress call. Though the forward bulkheads held, water was rushing in through the hole created by the second torpedo and could not be pumped out because of the electrical power failure. In addition, although the ship should have been "at action stations", she was sailing with the water-tight doors open.

The ship began to list to port and to sink towards the bow. Twenty minutes after the attack, at 16:24, Captain Bonzo ordered the crew to abandon ship. Inflatable life rafts were deployed, and the evacuation began without panic. The two escort ships were unaware of what was happening to General Belgrano, as they were out of touch with her in the gloom and had not seen the distress rockets or lamp signals. Adding to the confusion, the crew of Bouchard felt an impact that was possibly the third torpedo striking at the end of its run (an examination of the ship later showed an impact mark consistent with a torpedo). The two ships continued on their course westward. By the time the ships realised that something had happened to General Belgrano, it was already dark and the weather had worsened, scattering the life rafts.

Argentine and Chilean ships rescued 772 men from 3 to 5 May. In total, 323 were killed in the attack: 321 members of the crew and two civilians who were on board at the time.

Naval outcome

Following the loss of General Belgrano, the Argentine fleet returned to its bases and played no major role in the rest of the conflict. British nuclear submarines continued to operate in the sea areas between Argentina and the Falkland Islands, gathering intelligence, providing early warning of air raids and effectively imposing sea denial. With the withdrawal of the aircraft carrier ARA Veinticinco de Mayo, all Argentine aircraft had to operate from land bases at the limit of their range. The minimal role of the Navy in the rest of the campaign led to a considerable loss of credibility and influence within the Junta.

Controversy over the sinking

ARA General Belgrano

The legality of the sinking of General Belgrano has been disputed due to disagreement on the exact nature of the Maritime Exclusion Zone (MEZ) and whether General Belgrano had been returning to port at the time of the sinking. Through a message passed via the Swiss Embassy in Buenos Aires to the Argentine government nine days before the sinking, the UK made clear that it no longer considered the 200 mile exclusion zone as the limit of its military action. On 1 May 1982, Admiral Juan Lombardo ordered all Argentine naval units to seek out the British task force around the Falklands and launch a "massive attack" the following day.

In 2003, the ship's captain Hector Bonzo confirmed that General Belgrano had actually been manoeuvering, not "sailing away" from the exclusion zone. Captain Bonzo stated that any suggestion that HMS Conqueror's actions were a "betrayal" was utterly wrong; rather, the submarine carried out its duties according to the accepted rules of war. In an interview two years before his death in 2009, he further stated that: "It was absolutely not a war crime. It was an act of war, lamentably legal."

The sinking became a cause célèbre for British anti-war campaigners such as Labour MP Tam Dalyell. Early reports suggested that more than 1,000 Argentine sailors might have been killed in the sinking; it was around a third of that number.

The sinking occurred 14 hours after President of Peru Fernando Belaúnde proposed a comprehensive peace plan and called for regional unity, although Margaret Thatcher and diplomats in London did not see this document until after the sinking of General Belgrano. Diplomatic efforts to that point had failed completely. After the sinking, Argentina rejected the plan but the UK indicated its acceptance on 5 May. The news was subsequently dominated by military action and the British continued to offer ceasefire terms until 1 June that were rejected by the Junta.

Argentine response

On 3 May 1982, Argentina's Chancellery released a statement in the name of the Argentinian government that read:

The Government of Argentina, broadening what was reported by the Joint Staff in its statement No. 15, states:

Legal situation

Neither the United Kingdom nor Argentina declared war during the conflict. Combat was confined to the Falkland Islands, South Georgia, and the surrounding area. General Belgrano was sunk outside the 200-nautical-mile (370 km) total exclusion zone around the Falklands, delimited by the UK. Through a message passed via the Swiss Embassy in Buenos Aires to the Argentine government on 23 April, the UK had made clear that it no longer considered the 200-mile (370 km) exclusion zone as the limit of its military action. The message read:

In announcing the establishment of a Maritime Exclusion Zone around the Falkland Islands, Her Majesty's Government made it clear that this measure was without prejudice to the right of the United Kingdom to take whatever additional measures may be needed in the exercise of its right of self-defence under Article 51 of the United Nations Charter. In this connection Her Majesty's Government now wishes to make clear that any approach on the part of Argentine warships, including submarines, naval auxiliaries or military aircraft, which could amount to a threat to interfere with the mission of British Forces in the South Atlantic will encounter the appropriate response. All Argentine aircraft, including civil aircraft engaged in surveillance of these British forces, will be regarded as hostile and are liable to be dealt with accordingly.

Interviews conducted by Martin Middlebrook for his book Argentine Fight for the Falklands indicated that Argentine naval officers understood that the intent of the message was to indicate that any ships operating near the exclusion zone could be attacked. Argentine Rear Admiral Allara, who was in charge of the task force of which General Belgrano was part, said: "After that message of 23 April, the entire South Atlantic was an operational theatre for both sides. We, as professionals, said it was just too bad that we lost the Belgrano". Captain Bonzo also told Middlebrook that he was not angry about the attack on his ship and that

The limit [exclusion zone] did not exclude danger or risks; it was all the same in or out. I would like to be quite precise that, as far as I was concerned, the 200-mile limit was valid until 1 May, that is while diplomatic negotiations were taking place and/or until a real act of war took place, and that had happened on 1 May.

Admiral Sandy Woodward, who commanded the British task force during the war, wrote in his 1997 book One Hundred Days that HMS Conqueror received a signal changing the rules of engagement and that "The change said quite clearly he may now attack the Belgrano, outside the TEZ".

Later political controversy

Some details of the action were leaked to a British Member of Parliament, Tam Dalyell, in 1985 by the senior civil servant Clive Ponting, resulting in the unsuccessful prosecution of the latter under the Official Secrets Act 1911. According to the documents General Belgrano was sailing away from the exclusion zone when she was attacked and sunk.

In May 1983, Thatcher appeared on Nationwide, a live television programme on BBC1, where a teacher, Diana Gould, questioned her about the sinking, saying that the ship was already west of the Falklands and heading towards the Argentine mainland to the west. Gould also said that the Peruvian peace proposal must have reached London in the 14 hours between its publication and the sinking of General Belgrano, and the escalation of the war could have thus been prevented. In the emotional exchange that followed, Thatcher answered that the vessel was a threat to British ships and lives and denied that the peace proposal had reached her. She added that "One day, all of the facts, in about 30 years time, will be published", apparently a reference to a classified report prepared by intelligence officer Major David Thorp for Thatcher after the incident.

After the programme, Thatcher's husband Denis lashed out at its producer in the entertainment suite, saying that his wife had been "stitched up by bloody BBC poofs and Trots". Thatcher herself commented during the interview: "I think it could only be in Britain that a prime minister was accused of sinking an enemy ship that was a danger to our navy, when my main motive was to protect the boys in our navy."

According to the British historian Sir Lawrence Freedman, neither Thatcher nor the Cabinet was aware of General Belgrano's change of course before the cruiser was attacked. In his book One Hundred Days, Admiral Woodward claims that General Belgrano was part of the southern part of a pincer movement aimed at the task force, and had to be sunk quickly. He wrote:

The speed and direction of an enemy ship can be irrelevant, because both can change quickly. What counts is his position, his capability and what I believe to be his intention.

"Gotcha" headline

Front cover of The Sun, 4 May 1982

On 4 May, the British tabloid newspaper The Sun ran the controversial headline "Gotcha" in reference to the sinking of General Belgrano. Kelvin MacKenzie, the newspaper's editor, was reported to have used an impromptu exclamation by The Sun's features editor, Wendy Henry, as the inspiration for the headline. The accompanying text reported that General Belgrano had only been hit and damaged and not sunk, while a "gunboat" (actually the armed tug ARA Alférez Sobral) had sunk, when in fact the reverse was the case. After early editions went to press, further reports suggested a major loss of life, and Mackenzie toned down the headline to read "Did 1,200 Argies drown?" in later editions.

Few readers in the UK saw the headline at first hand as it was only used on copies of the first northern editions, while southern editions and later editions in the North carried the toned-down headline, but the "Gotcha" headline was widely publicised.

Aftermath

ARA General Belgrano

In August 1994, an official Argentine Defence Ministry report written by armed forces auditor Eugenio Miari was released which described the sinking of General Belgrano as "a legal act of war", explaining that "acts of war can be carried out in all of the enemy's territory" and "they can also take place in those areas over which no state can claim sovereignty, in international waters". Argentinian veterans were said to be dismayed at the conclusion about General Belgrano, and the President of the Federation of Argentine War Veterans Luis Ibáñez hoped to produce more witnesses to show that the sinking was a war crime.

In 1999 Sir Michael Boyce, First Sea Lord of the Royal Navy, visited the Puerto Belgrano naval base and paid tribute to those who died. In 2003 a search team aboard Seacor Lenga, crewed by Argentine and British veterans, was sponsored by National Geographic to find the sunken cruiser but failed to locate it. The area where General Belgrano sank, though not found, is classified as a war grave under Argentine Congress law 25.546.

In 2000, lawyers representing the families of the sailors killed onboard General Belgrano attempted to sue the British government in the European Court of Human Rights on the grounds that the attack took place outside the exclusion zone. It was an attempt to pressure the Argentine government to lodge an action against the UK in the International Court of Justice, but was ruled inadmissible by the Court of Human Rights on the grounds that it had been submitted too late.

La Nación in 2005 published a reader's letter from admiral Enrique Molina Pico, who had been head of the Argentine Navy in the 1990s, saying that General Belgrano was part of an operation that posed a real threat to the British task force, but was holding off for tactical reasons. Molina Pico added that "To leave the exclusion zone was not to leave the combat zone to enter a protected area". Molina Pico explicitly stated that the sinking was not a war crime, but a combat action.

General Belgrano's captain, Héctor Bonzo, died on 22 April 2009, aged 76. He had spent his last years working for an association called Amigos del Crucero General Belgrano (Friends of the Cruiser General Belgrano) whose purpose was to help those affected by the sinking. Bonzo also wrote his memories about the sinking in the book 1093 Tripulantes del Crucero ARA General Belgrano, published in 1992. In this book he wrote that it is "improper to accept that ... the attack by HMS Conqueror was a betrayal". During an interview in 2003 he had stated that General Belgrano was only temporarily sailing to the west at the time of the attack, and his orders were to attack any British ships that came within range.

In late 2011, major David Thorp, a former British military intelligence officer who led the signals interception team aboard HMS Intrepid, released the book The Silent Listener detailing the role of intelligence in the Falklands War. In the book he said that, although General Belgrano was observed by Conqueror to be sailing away from the Falklands at the time of the attack, she had actually been ordered to proceed to a rendezvous point within the exclusion zone. A report prepared by Thorp for Thatcher several months after the incident stated the destination of the vessel was not to her home port as the Argentine junta stated; the report was not released because the prime minister did not want to compromise British signals intelligence capabilities.

In 2012 the president of Argentina, Cristina Fernández de Kirchner, referred to the sinking of General Belgrano as a "war crime". However, the Argentine Navy has held the view that the sinking was a legitimate act of war, a position that was asserted by the Argentine Navy before various courts in 1995, and by the vessel's captain Hector Bonzo in 2003.