The Strait of Hormuz is the most important oil choke point in the world. Use our interactive map to explore it



Wes Mountain/The Conversation, CC BY-ND

Wes Mountain, The Conversation

After months of increasing tension between Iran and the US, on Tuesday the Morrison government committed a warship, surveillance aircraft and about 200 troops to a US-led convoy to protect ships passing through the Strait of Hormuz.

But why is this small passage – just 39km across at its narrowest point – so important to the international oil trade and why has it become the stage for the growing conflict between the two powers?

And, more to the point, where is it?

Click through our interactive below to get everything you need to know about the Strait and the events that led to Australia’s involvement.


The Conversation


Wes Mountain, Multimedia Editor, The Conversation

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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Australia’s latest military commitment should spark assessment of how well we use our defence forces


John Blaxland, Australian National University

Just when we thought Australia was getting serious about shifting priorities away from the Middle East to its own neighbourhood, the prime minister has announced another Middle East step up. Australia has committed a warship, surveillance aircraft and defence personnel to help keep the Strait of Hormuz open for shipping.




Read more:
Infographic: what is the conflict between the US and Iran about and how is Australia now involved?


So what is going on?

As it happens, the commitment to the Middle East is essentially a rebadging of a routine commitment of Australian Defence Force (ADF) assets. Australia has about 2,250 military personnel deployed on operations. These include:

  • Operations Accordion and Manitou in the Middle East (740 people)
  • Operation Aslan in support of UN peacekeeping in Sudan (25)
  • Operation Mazurka established in Egypt after the signing of the Egypt-Israel peace accord (27)
  • Operation Okra in support of counter-ISIL operations in and around Iraq (450)
  • Operation Paladin, with small contingents on rotation for over 70 years with the UN Truce Supervision Organisation in Israel/Lebanon (12)
  • Operation Augury, providing training and related support for the armed forces in the Philippines after the siege of Marawi in Mindanao (100)
  • Operation Resolute, involving border protection-related tasks (600).

Australia has a defence force of about 60,000 full-time uniformed personnel and 25,000 in the reserves. So this commitment of about 2,250 personnel is sustainable, for now, as long as security challenges closer to home don’t rapidly escalate.

This also means the operational tempo of border protection or any of the other ongoing operations is not expected to decrease as a result of this commitment. Some of these elements, notably Operation Manitou, will perform more than one role.

Operation Manitou is the Royal Australian Navy commitment of one warship to the Combined Maritime Forces (with 32 participant nations) that operate in and around the Persian Gulf. Australian warships have been doing this on rotation for the best part of 30 years.

Similarly, the Royal Australian Air Force P8 Poseidon surveillance aircraft have been operating intermittently out of the Persian Gulf for years. The extra defence planning personnel announced likely will be drawn from a pool already assigned to support Australian operations, notably attached to US military headquarters semi-permanently based in and around the Gulf.

So why make all the fuss with the announcement?

It appears pressure from the United States as well as Britain has convinced the government of the importance of making a contribution.

To be fair, it is not a token contribution. The warship and P8 are capable platforms that have made a tangible difference in the past in countering piracy, smuggling and related security concerns in the Persian Gulf. And, as the prime minister reminded us, the Gulf is the source of much of Australia’s oil.

So, while not a token contribution in one sense, it is not a significantly onerous addition to what Australia has been contributing there for a long time.

However, in international diplomacy, words matter, and small contributions can have significant effects. No doubt, Australian policymakers were mindful of making a contribution that would satisfy the US after declining Secretary of State Mike Pompeo’s suggestion to base intermediate-range and potentially nuclear-armed ballistic missiles in Australia.

While Australia can sustain this new commitment without a significant surge, there is growing recognition that committing forces to operations in the Middle East detracts from the ability of the ADF to focus on high-priority areas closer to home.

The 2016 Defence White Paper referred to three strategic defence interests. These are: a secure and resilient Australia; a secure nearer region (including the Pacific and Southeast Asia) and a stable Indo-Pacific region; and a rules-based global order.

But China’s increasing illiberalism and regional assertiveness across Southeast Asia and into the South Pacific have generated considerable unease over spreading ourselves too thinly.




Read more:
As Australia’s soft power in the Pacific fades, China’s voice gets louder


Consequently, a consensus is growing among security and defence experts that we need to double down on our investment in defence and security capabilities.

Reports along similar lines have been published recently by the United States Studies Centre and my own Strategic and Defence Studies Centre, among others.

My colleague Brendan Taylor warns of the volatility of the four flashpoints in Asia: the Korean Peninsula, the East China Sea, Taiwan and the South China Sea. That was before the Hong Kong protests and the news of militarised ports in Cambodia.

Another colleague, Hugh White, has called for spending up to 3.5% of GDP on defence to boost the air and naval forces.

Senator Jim Molan has argued for a fresh national security strategy.

My own geostrategic SWOT analysis for Australia points to the need for a more holistic consideration of issues related to looming environmental catastrophe (affecting biodiversity and societal sustainability), a spectrum of governance challenges (such as cyberterrorism and organised crime) and great power contestation.

That paper calls for, among other things, a national institute for net assessment to weigh up how best to respond.

In essence, the prime minister has deftly handled the call for a commitment in solidarity with the United States. But the Strait of Hormuz issue is only one of many looming security challenges. Its emergence at the top of the news pile points to the need for a significant and far-reaching re-examination of our defence and security posture and priorities.The Conversation

John Blaxland, Professor, Strategic and Defence Studies Centre, Australian National University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

Infographic: what is the conflict between the US and Iran about and how is Australia now involved?



Australia will commit a frigate, an aircraft and some headquarters staff to a US-led operation in the Strait of Hormuz.
AAP/Marc Tewksbury

Natalie Klein, UNSW

Prime Minister Scott Morrison has confirmed that Australia will lend military support to protect shipping in the Middle East.

The commitment has been long expected, with Australia sending a frigate, an aircraft and some headquarters staff as part of a US-led coalition in the Strait of Hormuz, amid deepening tensions between the US and Iran.

So what is this conflict about, what is Australia’s involvement, and what are the risks associated with it?

What is the Strait of Hormuz?

The Strait of Hormuz is a narrow body of ocean connecting the Persian Gulf and the Gulf of Oman. Its width varies, but at its narrowest is 39km. It is the main passage for transporting oil from the Middle East out into the Indian Ocean and beyond; a fifth of the world’s oil is shipped through this strait. This includes 15-16% of crude oil and 25-30% of refined oil that is destined for Australia.

Iran and Oman border the Strait of Hormuz. As the littoral states, they have sovereignty over the waters in the Strait of Hormuz, but that sovereignty is subject to navigational rights enjoyed by all states. Ships from all countries have the right to move continuously and expeditiously through these waters without interference from either of the coastal states.

What is the conflict between Iran and the US about?

The primary concern in relation to the Strait of Hormuz at the moment is interference with commercial shipping. The United States has accused Iran of attacks against tankers and has destroyed an Iranian drone.

In recent weeks, Iran has seized the Stena Impero, a British-flagged commercial tanker, as well as a US drone. It also boarded but released a Liberian-flagged, British-owned vessel. These actions have heightened concerns about navigational rights through the strait and the consequences for global oil supply.

This is all against a backdrop of heightened tension between Iran and the United States, resulting from American sanctions against Iran and its abandonment of the 2015 nuclear deal with Iran. It is the latest rift in a relationship that has been fraught for decades, punctuated by events like Iran taking over the US embassy and holding hostages in 1979, the United States backing Iraq during the Iran-Iraq war in the 1980s, and Iran’s development of a nuclear program in the 1990s.

Shipping has previously been threatened within the Persian Gulf and along the Strait of Hormuz, especially during the Iran-Iraq war. This conflict was also known as the Tanker War because of the threats to commercial ships transporting oil out of the Gulf. It resulted in the United States and other neutral states providing naval escorts and conducting convoys to protect shipping.

What is Australia’s involvement?

Australia has announced it will be joining an “International Maritime Security Construct” that is focused on ensuring the freedom of shipping lanes and commercial navigation.

This international presence is intended to respond to incidents and threats as they occur during passage through the strait. The prime minister has announced that Australia’s involvement is limited in terms of time and resources and emphasised the importance of de-escalation.

A legal difficulty for Australia is that this sort of convoy relies on a doctrine that is associated with the law of naval warfare, and so would usually only apply if there is an armed conflict between states. Australia is instead maintaining the view that its warships are also exercising their navigational rights through the Strait of Hormuz.

The new mission is cast as an enhancement of previous contributions to counter-terrorism and counter-piracy operations. However, these operations have been directed at non-state actors, rather than the naval forces of another country. Iran may claim that their presence constitutes an unlawful threat of the use of force.

The previous UK foreign secretary, Jeremy Hunt, characterised Iran’s actions as “state piracy”. He advocated for “European-led maritime protection mission(s) to support safe passage of both crew and cargo”.

British Prime Minister Boris Johnson instead decided to join the US-led mission. In joining this effort, Australia has emphasised the importance of its multilateral nature. This matters when it is recalled that the oil tankers concerned are typically flagged to a wide variety of states, are owned by nationals from other states, might be chartered by companies from different states and are frequently crewed by nationals from diverse states.

As a result, far more countries than just Iran, the United States, the United Kingdom and Australia have stakes in these issues.

How does it affect the global oil trade?

The prospect of oil tankers being seized in the Strait of Hormuz will likely increase the insurance premiums on shipping. In addition to seizing ships, Iran has threatened to close the strait.

Concerns also exist that Iranian military forces might hinder passage, or might go so far as mining the strait. Any of these scenarios poses a risk to global oil supply and even the prospect of these actions causes a jump in crude oil prices.

What might happen from here?

Ultimately, Iran shares an interest with the United States and other countries in maintaining navigational rights for commercial shipping. So much is evident in Iran’s own response to the British Royal Navy seizing one of its vessels off Gibraltar.

Given that over 90% of the world’s traded goods are carried by ship, every country has a strong reciprocal interest in ensuring freedom of navigation. Iran is using one of the main political tools it has at its disposal to exert pressure in response to current US policies.

Preventing escalation should be the prime concern of all actors and would be the most mutually beneficial outcome.The Conversation

Natalie Klein, Professor, UNSW

This article is republished from The Conversation under a Creative Commons license. Read the original article.

Australia to send naval and air assistance to protect Middle East sea lanes: Morrison


Michelle Grattan, University of Canberra

Australia will commit a frigate, an aircraft and some headquarters staff to an American-led freedom of navigation operation in the Middle East.

Scott Morrison, announcing the long-expected commitment at a Canberra news conference on Wednesday, stressed this was an international mission, but so far the United Kingdom is the only other country to have signed up.

Under questioning, the Chief of the Australian Defence Force, General Angus Campbell, said the operation would be United States-led. But Campbell avoided spelling out in detail the rules of engagement in the event of being involved in an incident, other than referring to legal obligations.

Iran has seized ships in recent months, amid escalating tensions.

This week, an Iranian oil tanker was released after being detained by the British overseas territory of Gibraltar on suspicion of taking oil to Syria. The US tried unsuccessfully to have Gibraltar extend the vessel’s detention.

Morrison said Australia had made very clear both to the US and the UK “that we are here as part of a multinational effort”.

“This is a modest, meaningful and time-limited contribution …to this international effort to ensure we maintain free-flow of commerce and of navigation,” he said.

“Australia will defend our interests, wherever they may be under threat, we will always work closely with our international allies and partners.”




Read more:
Morrison looking at details for commitment to protect shipping


Morrison emphasised that the safety of shipping lanes was vital to Australia’s economic interests.

The government had been concerned over incidents in the Strait of Hormuz, he said. “30% of refined oil destined for Australia travels through the Strait. It is a threat to our economy.”

The Australian contribution will be

  • a P-8A Poseidon maritime surveillance aircraft for one month before the end of 2019;

  • an Australian frigate in January 2020 for six months; and

  • ADF personnel to the International Maritime Security Construct headquarters in Bahrain.

One complication for Australia in finalising the commitment was the fact there was no Australian frigate in the area, with the next deployment not due until January.

Australian ships participate in counter-piracy and counter-terrorism operations in the Middle East.

The Americans were very pressing in their request to Australia to join the force, including in public statements during the recent AUSMIN talks.

Morrison has emphasised Australia wants to see the de-escalation of tensions in the area and separates its commitment to the freedom of navigation operation from America’s other activities in relation to Iran.The Conversation

Michelle Grattan, Professorial Fellow, University of Canberra

This article is republished from The Conversation under a Creative Commons license. Read the original article.

As Australia looks to join a coalition in Iran, the risks are many



The Morrison government must have a plan for Australia’s involvement if the “peacekeeping” descends into hostility.
AAP/Lukas Coch

Tony Walker, La Trobe University

Prime Minister Scott Morrison has indicated Australia will join a multinational peacekeeping force to protect freedom of navigation in the Gulf, but at this stage he has not indicated what form Australian participation might take.

Speaking to reporters after a conversation overnight with newly-installed British Prime Minister Boris Johnson, Morrison said Australia was “looking very carefully at an international, multinational initiative” to provide a peacekeeping role.

But given recent experience of Australia too hastily joining an American-led Iraq invasion of 2003, with disastrous consequences, Morrison and his advisers need to ask some hard questions – and set clear limits on any Australian involvement.

It is not clear the extent to which the prime minister and his team have interrogated the risks involved before acceding to an American request for some form of military contribution to policing one of the world’s most strategically important waterways.




Read more:
Iran and US refusing to budge as tit-for-tat ship seizures in Middle East raise the temperature


Nor is it clear what form Australian engagement might take to deter Iran’s threats to tanker traffic. This includes its seizing of a British-flagged vessel.

Options include sending a warship or warships to join peacekeeping patrols under American command, or stationing surveillance aircraft in the region to monitor ship movements through the Strait of Hormuz.

The operative words in the above paragraph are “American command”.

Any peacekeeping mission might be presented as a multinational exercise, but in effect the preponderance of American power, including an aircraft carrier battle group, means Americans would be in command.

In the Iraq invasion of 2003, Australians operated under broad American oversight, as did the British at considerable cost to Prime Minister Tony Blair’s reputation.

This is not an argument against Australian involvement in protecting a vital sea lane through which passes one-third of the world’s seaborne tradeable oil every day. Rather, it is to make the case for extreme caution.

Morrison and his team need to ask themselves whether there is a risk of being drawn into an American exercise in regime change in Iran. What might be the limits on Australia’s involvement should hostilities broke out in the Gulf?

What would be the rules of engagement? What might be an exit strategy?

What, for example, would be Australia’s response if a warship involved in a peacekeeping exercise was damaged – or sunk – in a hostile act? This includes hitting a mine bobbing in the Gulf waterway, or a limpet mine stuck on the side of a vessel.

We have seen this before in 1984, when traffic in the Gulf was brought to a standstill by Iran floating mines into busy sea lanes.

What would Australia’s response be in the case of a surveillance aircraft or drone being shot down if it strayed into Iranian airspace?

In other words, there are multiple possibilities of conflict escalating given the concentration of firepower that is planned for the Gulf.

The aim of any international mission to which Australia attaches itself should be to de-escalate tensions in the world’s most volatile region. A military presence cannot – and should not – be detached from a political imperative.

That imperative is to draw Iran back into discussions on a revitalised Joint Comprehensive Plan of Action. Under this 2015 plan, the Iranians agreed to freeze their nuclear program under International Atomic Energy Agency (IAEA) supervision.

Iran was complying with that agreement before US President Donald Trump recklessly abrogated it in 2018 and re-applied sanctions. These have brought Iran’s economy to its knees.




Read more:
US-Iran conflict escalates again, raising the threat of another war in the Middle East


Trump’s abandonment of the JCPOA against the wishes of the other signatories, including the permanent members of the United Nations Security Council plus Germany, was as inexplicable as it was damaging.

Now, the world is facing a crisis in the Gulf of American making, and one that Washington is asking its allies to police.

Morrison has been equivocal about the JCPOA. He would be well advised to reiterate Australia’s backing for the agreement as a signal to the Americans that Australia stands with its allies in its support of international obligations.

These cannot – and should not – be ripped up at the whim of a president who seems to have been motivated largely by a desire to undo the useful work of his predecessor.

Not to put too fine a point on it, this has been an act of self-harm to American interests and those of its allies. It is a crisis that need not have occurred.

Viewed from the distance of Canberra, Morrison and his advisers might have difficulty fully comprehending the risks involved in a potential escalation of tensions in the Gulf.

In a useful paper, the International Crisis Group warns of the dangers of an escalation of hostilities due to a mistake or accident in a highly charged environment.

As Iran Project Director Ali Vaez puts it:

Just as in Europe in 1914 a single incident has the potential of sparking a military confrontation that could, in turn, engulf the entire region.

What should be kept in mind in all of this is that it is not simply stresses in the Gulf itself that are threatening stability, but a host of other Middle East flashpoints. These include ongoing conflicts in Syria and Yemen, and heightened tensions between Iran and a Sunni majority led by Saudi Arabia.

Then there is the drumbeat on Capitol Hill. Hawkish Republican lawmakers agitate for pre-emptive strikes against Iran in the mistaken belief such an exercise would be clinical and short-lived.

Further destabilisation of the entire region would result, and possibly all-out war.

The ICG is urging America to redouble its efforts to establish a dialogue with Iran to bring about a resumption of negotiations on a revised JCPOA. This would require Washington making a down payment in good faith by easing sanctions on Iran’s oil exports.

It is not clear the Trump administration would be willing or able to make these concessions.

Morrison could do worse than argue the case for “redo” of the JCPOA when he is in Washington next month on a state visit.The Conversation

Tony Walker, Adjunct Professor, School of Communications, La Trobe University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

Morrison looking at details for commitment to protect shipping


Michelle Grattan, University of Canberra

Scott Morrison has flagged the government is working with the United States and Britain on details for an Australian role in helping safeguard shipping passages in the Middle East.

Morrison told a news conference in Townsville on Thursday he had spoken to British Prime Minister Boris Johnson on Wednesday night and “indicated to him that we were looking very carefully at our participation in this initiative”.

Morrison stressed it would be a multinational operation.

This is not a unilateral initiative by any one country, and it is about safe shipping lanes, it is about deescalating tensions and making sure that the current situation does not worsen.

He said the government had not “made any decisions on this yet. We want to be fully satisfied about the operational arrangements that are in place”. It was very early days and it would be a while before things came together.




Read more:
Iran and US refusing to budge as tit-for-tat ship seizures in Middle East raise the temperature


In practice though, the government has obviously agreed in principle, subject to satisfactory arrangements being worked out. Its role is somewhat complicated, however, by the fact it does not have a ship in the region.

The US’s request for Australian assistance was discussed at the weekend AUSMIN talks.

Morrison said there were other countries which were in a similar position to Australia – “engaging before making any full decisions”.

He stressed the maritime issue “should be clearly divorced from the broader issues that relate to Iran and the JCPOA [Joint Comprehensive Plan of Action – the nuclear deal that the US pulled out of last year].

“That’s a separate issue. This is about safe shipping lanes and ensuring that we can restore at least some stability to what is a very unstable part of the world at the moment,” Morrison said.

“There has been a very disturbing series of events that we’ve seen in the Straits of Hormuz, and freedom of navigation and safe shipping lanes is very important to the global economy and that is a matter that is as important in that part of the world as it is in many other parts of the world.”

China hits back at Liberal chair of security committee

The Chinese authorities have accused Liberal MP Andrew Hastie of “Cold-War mentality and ideological bias”, after he drew on the example of France’s “catastrophic” failure to comprehend the threat of a rising Nazi Germany in an article warning about the dangers from a rising China.

Hastie, chair of the powerful parliamentary joint committee on intelligence and security, wrote in the Sydney Morning Herald:

The West once believed that economic liberalisation would naturally lead to democratisation in China. This was our Maginot Line. It would keep us safe, just as the French believed their series of steel and concrete forts would guard them against the German advance in 1940. But their thinking failed catastrophically. The French had failed to appreciate the evolution of mobile warfare. Like the French, Australia has failed to see how mobile our authoritarian neighbour has become.

Even worse, we ignore the role that ideology plays in China’s actions across the Indo-Pacific region. We keep using our own categories to understand its actions, such as its motivations for building ports and roads, rather than those used by the Chinese Communist Party.

The West has made this mistake before. Commentators once believed Stalin’s decisions were the rational actions of a realist great power.

Hastie referred to action Australia had taken such as foreign espionage legislation and more closely monitoring infrastructure.

But “right now our greatest vulnerability lies not in our infrastructure, but in our thinking. That intellectual failure makes us institutionally weak. If we don’t understand the challenge ahead for our civil society, in our parliaments, in our universities, in our private enterprises, in our charities — our little platoons — then choices will be made for us. Our sovereignty, our freedoms, will be diminished.”




Read more:
Australia depends less on Chinese trade than some might think


A spokesperson for the Chinese embassy said in a statement:

We strongly deplore the Australian federal MP Andrew Hastie’s rhetoric on “China threat” which lays bare his Cold-War mentality and ideological bias. It goes against the world trend of peace, cooperation and development. It is detrimental to China-Australian relations.

History has proven and will continue to prove that China’s peaceful development is an opportunity, not a threat to the world.

We urge certain Australian politicians to take off their “colored lens” and view China’s development path in an objective and rational way. They should make efforts to promote mutual trust between China and Australia, instead of doing the opposite.

Morrison played down the Hastie comments, noting he was a backbencher not a minister.

We will continue to work to have a cooperative arrangement with China. Of course, there is much to be gained from that relationship, particularly from the trade side, but let’s not forget that relationship is far broader than just the economic one.

But equally, our relationship with the United States is a very special one indeed and there is a deep connection on values and that’s of no surprise to anyone.

So we believe we can continue to manage these relationships together, but I don’t think anyone is in any way unaware of the challenges that present there.The Conversation

Michelle Grattan, Professorial Fellow, University of Canberra

This article is republished from The Conversation under a Creative Commons license. Read the original article.

Australia likely to tick off on US request to help protect shipping in Middle East



Secretary of Defense Mark Esper, US Secretary of State Mike Pompeo, Australian Minister for Foreign Affairs Marise Payne, and Australian Minister for Defence Linda Reynolds at the AUSMIN talks in Sydney.
AAP/Rick Rycroft

Michelle Grattan, University of Canberra

The federal government is expected soon to approve a commitment in response to the United States’ request for allies to help protect shipping as tensions with Iran remain high.

Speaking at a joint news conference after the AUSMIN talks, Defence Minister Linda Reynolds on Sunday said the government was giving the request “very serious consideration”.

Although Reynolds said no decision had yet been made, it would be highly unlikely the request would not receive a favourable answer.

Meanwhile, on Sunday it was reported that Iran state TV said the country’s naval forces had seized another foreign tanker and that seven sailors had been detained. The Iranians said the vessel, carrying 700,000 litres of fuel, was smuggling the fuel to Persian Gulf Arab states.

It is not clear what form Australian assistance would take.

Prime Minister Scott Morrison has previously said, when talking about a possible request, “it’s not unheard of to have Australian frigates in that part of the world engaged in maritime operations”.

However Australia does not currently have a ship in the region. An alternative would be to help with aircraft.

Reynolds said the Australian government’s position was very clear.

“We are deeply concerned by the heightened tensions in the region and we strongly condemn the attacks on shipping in the Gulf of Oman,” she said.

“The request that the United States has made is a very serious one and it is a very complex one. That’s why we are currently giving this request very serious consideration.”

US secretary of State Mike Pompeo told the news conference that the US had been very clear that the purpose of the proposed operations had been twofold.

“First of all, to promote the principle of freedom of navigation and freedom of commence through all waterways.

“Number two, is to prevent any provocative actions by Iran that might lead to some misunderstanding or miscalculation that could lead to a conflict.

“When we first advanced this idea several weeks ago, we had good response from some of our allies and partners. We continue to develop that idea,” he said.

The AUSMIN talks were attended by Foreign Minister Marise Payne, Reynolds, Pompeo and US Defence Secretary Mark Esper.

Esper also met Morrison on Sunday afternoon and Morrison had Pompeo to dinner on Sunday night.The Conversation

Michelle Grattan, Professorial Fellow, University of Canberra

This article is republished from The Conversation under a Creative Commons license. Read the original article.

US-Iran conflict escalates again, raising the threat of another war in the Middle East



The United States’ reinstitution of punitive sanctions is causing real hardship to Iranians.
AAP/EPA/Abedin Taherkenareh

Tony Walker, La Trobe University

Let’s start with a number. On any given day, more than 17 million barrels of oil pass through what is known as the world’s most important chokepoint.

Those 17 million-plus barrels constitute about 20%, give or take a few percentage points, of world oil consumption daily.

The waterway in question is the Strait of Hormuz at the entrance to the Arabian Gulf to the north. It is 33km wide at its narrowest – where its “chokepoint” shipping lane measures just 3km across.

This is barely enough space for supertankers to pass.

Any interruption to seaborne oil-trade through the strait in the world’s most volatile region would immediately push up oil prices, add to risks of a global recession and prompt concerns about a wider conflagration in the Middle East.




Read more:
Trouble in the Gulf as US-Iran dispute threatens to escalate into serious conflict


The Strait of Hormuz is not simply a chokepoint. It would become a flashpoint in the event of military confrontation between the US and Iran.

It is hard to overstate the dangers of unintended consequences from an escalation of American military pressure on Iran that risks bringing the region to the brink of war and severing an economic lifeline to the rest of world.

This scenario hardly bears thinking about. Yet Donald Trump has seemed determined to push Iran to the brink by re-instituting punitive economic sanctions that are causing real hardship to Iranians.

What is at stake for the regime in Tehran is its survival. It will not yield to crude American pressures which reflect a certain mindset in Washington that appears to believe that regime change on the cheap is achievable.

At the heart of an escalating dispute between the US and Iran is the US withdrawal from the 2015 Joint Comprehensive Plan of Action nuclear deal and re-imposition of sanctions, notwithstanding that Iran was complying with its obligations. Iran is now threatening to resume production of low-enriched uranium beyond amounts specified in the deal.

This agreement was negotiated over many months by the permanent members of the United Nations Security Council plus Germany to forestall Iran’s nuclear ambitions. Washington’s abrogation of it ranks as the most irresponsible act – among many – of the Trump administration.

America’s stringent sanctions that penalise entities that do business with Iran, allied with risks of conflict in the Gulf, are exerting enormous stress on the Western alliance.

American leadership in this case is perceived to be part of the problem, not part of the solution.

Vali Nasr, an Iranian specialist at the International Crisis Group, warns of a mistake or a miscalculation. He told The New York Times:

President Trump may not want war, but he will get one unless he balances coercion with diplomacy.

At this point, there is not much sign that American diplomacy provides a real prospect of an easing of tensions.

This week, the US announced it was deploying another 1,000 troops to the region to join more than 6,000 already in place. It has sent an aircraft carrier battle group to the Gulf, and has positioned B-52 bombers on bases in proximity to Iran.

All this is feeding high levels of anxiety in the Gulf region and across the Middle East. Further afield, markets across Europe, Asia and North America are nervously watching developments.

Whatever Washington’s strategy of exerting maximum pressure on Iran is, it is not working. It is also not clear whether there is a plan B.




Read more:
Why Trump’s decertification of the Iran nuclear deal may prove a costly mistake


America’s avowed aim is to bring Iran back to the negotiating table to force concessions on the nuclear deal. The US also wants the Iranians to scale back what Washington perceives to be their destabilising behaviour in the region.

This includes allegations Iran is behind a series of attacks in the Gulf on shipping tankers and oil pipelines in recent weeks. Iran denies involvement.

Circumstantial evidence of Iranian involvement is fairly compelling. But such is the damage done to Western intelligence credibility by mistakes in the lead-up to the Gulf War in 2003 that anything Washington says based on its own intelligence is questioned.

Let’s put forward another figure. The 17 million barrels passing through the Strait of Hormuz daily represent 30% of the world’s seaborne-traded oil.

Those shipments account for the bulk of oil shipped by the world’s major oil producers and OPEC members – Iran, Iraq, Saudi Arabia, Kuwait and the United Arab Emirates.

There’s another figure that is relevant. About 25% of the world’s traded liquefied natural gas (LNG) also transits what is arguably the world’s most strategically important waterway. Qatar, which matches Australia as the world’s largest exporter of LNG, sends almost all of its LNG through the strait.

In other words, this is a crowded energy superhighway by any standards.

The strait connects the Arabian Gulf with the Gulf of Oman to the south and the Arabian Sea beyond.

It is bounded on the eastern perimeter by Iran and to the west by the oil-rich Gulf states led by Saudi Arabia.

The Saudis have been urging their American allies to take “surgical” reprisals against Iran for attacks on shipping in the Gulf. In such a case, Iran would not turn the other cheek.

Tehran is certain to have a roster of retaliatory options starting, no doubt, with a further disruption to shipping in the Gulf. American naval forces could be deployed to keep Gulf sea lanes open, but this would come at a cost.

The most immediate cost would be felt in the world’s energy markets. What could not be discounted is another war in the Middle East and the destabilisation of the entire region.

These are dangerous moments.The Conversation

Tony Walker, Adjunct Professor, School of Communications, La Trobe University

This article is republished from The Conversation under a Creative Commons license. Read the original article.