PacNet #48 – New Zealand and AUKUS: Affected without being included

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Seventy years ago Australia and New Zealand cut a deal with the United States. In exchange for accepting Washington’s generous peace agreement with Tokyo while they were still concerned about Japan’s intentions, Canberra and Wellington got a security treaty. A side-deal, at America’s insistence, was that the new alliance would not include the United Kingdom. Even the legendary UK Prime Minister Winston Churchill, who had returned to 10 Downing Street before the Australia, New Zealand, United States Security Treaty (or ANZUS) went into effect, was unable to get the United Kingdom added to the threesome.

In 2021 the Australia-United Kingdom-United States (AUKUS) security pact appears to have turned the tables. This time the United Kingdom is one of three, alongside Australia and the United States, and it is New Zealand’s turn to be left out. As the feelings of surprise wear off, some New Zealand commentators have found an easy explanation for their country’s exclusion. AUKUS means that Australia was in line to get nuclear-propelled submarines. New Zealand couldn’t belong because of its nuclear-free policy, which includes propulsionin addition to weapons.

New Zealand Prime Minister Jacinda Ardern appeared to confirm this hypothesis. While signalling her government’s support for “the increased engagement of the UK and US in the region,” she also confirmed that nuclear-powered Australian submarines would not be permitted to operate in New Zealand’s internal waters (i.e., within the 12-nautical-mile zone).

But there are other, more convincing explanations. First, New Zealand isn’t in the submarine operating game. When (and if) the new subsurface vessels arrive, they will join a list of Australian commitments to advanced maritime combat capabilities for which New Zealand has no equivalents. The existing (conventionally propelled) Collins Class submarines, Air Warfare Destroyers, and Joint Strike Fighters are three other examples of this long-standing trend. New Zealand isn’t in the same capability league that Australia is set to play in with its two AUKUS partners. From a military technological standpoint, it would have made more sense to include Japan or the Republic of Korea than to contemplate a place for New Zealand.

Second, AUKUS will enhance Australia’s already extensive military integration with US forces. That’s a position only a very active ally of the United States could occupy. For the United Kingdom, another close US ally, AUKUS helps build London’s Indo-Pacific and trans-Atlantic credentials after Brexit. It’s true that New Zealand has been enjoying much warmer security relations with Washington since deploying forces to Afghanistan after 9/11.  There is the Five Eyes relationship as well. But formal ANZUS alliance relations between the United States and New Zealand have been suspended for more than three decades.

Third, AUKUS represents an elevated commitment among its three members, and especially between the United States and Australia, to confront China’s growing power in maritime East Asia. Any nuclear-powered submarines based in Australia, whether leased or owned by Canberra, will be an intrinsic part of a US-led order of battle for missions focused on China’s People’s Liberation Army. Concerns about China’s impact on regional stability have been growing in New Zealand’s national security community for much of the past decade. But Wellington still wants some separation from US-led efforts to treat China as an adversary, and from Canberra’s most strident criticisms of Beijing.

AUKUS would be a step too far in that context. But that’s still where the rub will hit New Zealand. Since the ANZUS crisis with Washington in the mid-1980s, governments in Wellington have come to see Australia as New Zealand’s one and only formal military ally. Their major statements of defense policy routinely include a commitment to respond should Australia come under armed attack. This does not mean that wherever Australia goes, New Zealand is bound to follow, but it does mean that Australia’s defense policy has an oversized impact on New Zealand’s choices.

Even before any new submarines arrive on the other side of the Tasman Sea (and they could be nearly two decades away), AUKUS could bring more of the US competition with China closer to New Zealand’s neck of the woods. There will be a greater presence of US warfighting platforms and personnel at Australian bases and ports. There is likely to be an even deeper integration of warning and strategic intelligence systems. More Australian targets are likely to feature in China’s war plans. Year by year New Zealand’s alliance commitment to the defense of Australia will carry bigger implications.

Wellington’s public expressions of alliance unity across the Tasman don’t entertain coming to Australia’s aid in a great power conflict further north. But this doesn’t necessarily forestall the possibility of an unwanted entanglement. When Australian Prime Minister Scott Morrison was in Queenstown for a May summit with Ardern, he was asked what his government would expect from New Zealand if Australia got caught up in a war over the South China Sea or Taiwan. He indicated the answer lay in the ANZUS Treaty.

Australia’s latest partnership may give New Zealand’s extra reason to be concerned about Canberra’s approach to China in East Asian hotspots. Barely a day after the AUKUS announcement, Australia’s Foreign and Defence Ministers were in Washington for their annual AUSMIN meeting with US counterparts. The resulting statement broke new ground for US-Australian expressions of support for Taiwan. In a television interview conducted while he was still in Washington, and which was reported in one of New Zealand’s leading newspapers, Peter Dutton intimated that Australia would follow the lead of its US ally in the event that China sought to absorb Taiwan.

A few days later, New Zealand Minister of Foreign Affairs Nanaia Mahuta refused to be drawn in by a New Zealand journalist on Taiwan hypotheticals involving China, the United States, and Australia. But she emphasised New Zealand’s close relationships with traditional partners and noted that New Zealand vessels were presently exercising in East Asian waters. In a later write up, the New Zealand Defence Force explained that it had been operating “in the South East Asia region for decades as part of bilateral and regional defence engagement,” including with its partners in the [50-year-old] Five Power Defence Arrangements. But this was no ordinary trip. The NZDF also indicatedthat New Zealand forces had been working “off Guam” alongside the United Kingdom’s Carrier Strike Group led by the (conventionally powered) HMS Queen Elizabeth and had been exercising and training with US carrier battle groups led by the nuclear-propelled USS Ronald Reagan and USS Carl Vinson).

How do you stay connected but retain autonomy? Ardern’s government argues that New Zealand sees AUKUS through a “Pacific” lens, intimating some separation from the great power competition which the new partnership intensifies. While New Zealand now refers to its wider region in Indo-Pacific terms, Ardern’s definitive speech on the subject emphasized inclusiveness, multilateralism, and regional cooperation. But Wellington doesn’t get to write the region’s overall narrative. All manner of interpretations and connections will be made by others when the atmosphere is feverish. Bit by bit, New Zealand is getting closer to the flame. It doesn’t have to be a member to be affected by the bow waves that are likely to grow now that AUKUS is here.

Robert Ayson ([email protected]) is Professor of Strategic Studies at Victoria University of Wellington.

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PacNet #32 – China: The Forgotten Nuclear Power No More

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New evidence has surfaced that China may be expanding its nuclear arsenal much more and much faster than previously assumed, as experts from the James Martin Center for Nonproliferation Studies obtained satellite images showing work underway on the construction of well over 100 new missile silos near Yumen. The evidence, which dropped June 30, has since focused the minds of US national security experts, as expected given Washington’s description of China as America’s “pacing threat.”

The discussion is still fluid, but two interpretations are emerging. One offers that China is reacting to US actions and that Washington should pursue arms control with Beijing—negotiate to get both sides to limit their forces and avoid an arms race. The other interpretation holds that the new discovery means that there is a nuclear dimension to Chinese President Xi Jinping’s promise that China will have “the dominant position” in the world by 2049, and that Washington should double down on deterrence, including by fully modernizing its nuclear arsenal and more.

Yet neither negotiating arms control nor strengthening deterrence are straightforward solutions, nor are they necessarily mutually exclusive. The Chinese nuclear arsenal, like other facets of Chinese power, is going to be an enduring problem for the United States. As Adm. John Aquilino, the new Commander of the US Indo-Pacific Command, put it during his confirmation hearing earlier this year: “China is a long-term challenge that must be ‘managed’ rather than ‘solved.’”

The Arms Control Response

Anyone with a cursory knowledge of US-China strategic relations is aware that the United States is a major driver of China’s nuclear modernization program. Beijing is concerned by Washington’s nuclear superiority and its improved ability to find and destroy Chinese forces, or to intercept them with missile defenses. China, plainly, fears that the United States might become capable of putting it in checkmate, achieving what Chinese diplomats call “absolute security.”

To solve that problem, Beijing has been expanding and perfecting its arsenal. In addition to building more nuclear weapons, it is investing in road-mobile missiles and sea-based platforms because these systems make it more difficult for Washington to target its forces, and it is adding multiple independent reentry vehicles to its missiles to penetrate US missile defenses. Of late, Beijing also seems to have embraced tactical nuclear use and nuclear warfighting options. In unofficial dialogues, Chinese strategists make clear that China’s modernization program is directed at the United States and, by extension, its allies.

Countering the United States and its allies is not the sole driver, however. In private discussions, Chinese strategists confess that Beijing is increasingly motivated by nuclear developments in India; as one such strategist explained, “Beijing now regards India as a deterrence problem, not as a proliferation problem.” Chinese strategists are less forthcoming when asked whether Beijing considers Russia when it does defense planning, but some admit that it is a factor. While it is unclear if North Korea impacts Chinese calculations, it would be foolish to assume that defense planners in Beijing do not also contemplate conflict with their nuclear-armed neighbor given their complicated relationship. Finally, analysts have explained that domestic and organizational factors are driving the Chinese modernization program as well.

The idea that a US push for arms control with China could solve the problem, then, is not obvious. It’s also not as if the United States has never tried. Since the 2000s, Washington has sought to jump-start bilateral nuclear dialogue with Beijing for that purpose. Yet neither Washington’s initial “patient” approach nor, from the mid-2010s, its more confrontational stance has yielded results. Beijing has declined to engage.

The United States could try harder. Chinese strategists have long insisted that a US statement recognizing that the United States and China are in a situation of mutual vulnerability would help establish a foundation upon which US-China strategic stability can be built, despite the asymmetry of forces between the two countries. Put differently, a US “vulnerability acknowledgement” could entice Beijing to engage in dialogue and arms control.

Research currently conducted by this author, however, suggests that it is not a given and that, in any case, an agreement would not emerge quickly. So, deterrence will play an important—and possibly growing—role in US-China relations regardless of whether there is movement on arms control.

The Deterrence Response

The deterrers, unlike the arms controllers, think that engaging China is pointless. They believe that the latest news makes clear that China seeks nuclear parity with, perhaps even dominance over, the United States, and they argue that Washington should counter with a major nuclear update.

Without minimizing the problem, maintaining perspective about China’s nuclear build-up is essential. The US Department of Defense estimates that China’s stockpile is in the low hundreds—a fraction of the US and Russian stockpiles, which are in the low thousands. So, neither a doubling, tripling, or even quadrupling of China’s stockpile would come close to US and Russian stockpile levels.

It is also unclear whether China seeks nuclear parity or dominance. Some analysts have opined that the latest evidence may show Beijing playing a “shell game,” i.e., move a small number of missiles across a big matrix of silos to prevent its adversaries from locating the missiles. It is a possibility worth considering, especially given that the United States has systematically over-predicted the future size of the Chinese arsenal.

More problematic, focusing on the quantitative growth of China’s arsenal risks coming at the expense of its qualitative improvement, where Beijing has made the most progress. Beijing has not only strengthened the survivability of its forces, but it also seems to have developed new missions. With its new intermediate-range, dual-capable missiles, Beijing is now capable of limited nuclear counterforce use. Beijing is also improving the readiness of its force, including by mating warheads with missiles (a first for China), and possibly moving towards a launch-on-warning posture. Moreover, Beijing has been increasing its cyber and space power, and it is developing an integrated deterrence posture, notably through its Strategic Support Force.

This overview suggests that China poses little risk of nuclear aggression against the United States, and that this will remain unchanged in the foreseeable future. That risk was high in the US-Soviet context during the Cold War, and it has not disappeared in US-Russia relations today. It is low in the US-China context because the Chinese arsenal is and will remain limited in comparison to the US arsenal. China will simply not have a first-user advantage against the United States.

The risk, however, is one of nuclear escalation in a conflict. With a more sophisticated arsenal, Beijing could become more aggressive at the conventional level, which could lead to wars and nuclear use. One pathway to such use is a situation in which China is losing a war (for instance over Taiwan) and launches limited nuclear strikes to force the United States to give up the fight. Another is a situation in which, again during a war, the United States hits Chinese nuclear forces with conventional weapons, prompting Beijing to go nuclear with its remaining forces. This is not far-fetched given the increasingly entanglement between Chinese nuclear and conventional forces.

To be sure, the open-ended nature of China’s nuclear build-up raises legitimate questions for the United States about nuclear policy, strategy, and force planning, especially given that Washington, for the first time, faces two major nuclear-armed adversaries—Russia and China—that are growing their forces (and deepening their strategic cooperation). US nuclear deterrence is also important because it provides an essential backstop to out-of-control escalation.

But doubling down on nuclear deterrence will do little to address the rising risk of conflict and limited nuclear escalation with China. This problem is best solved with stronger conventional deterrence and tighter alliance relationships—to deter Chinese adventurism below the nuclear threshold—and, if there is a conflict, good crisis management with Beijing—to prevent nuclear escalation, at least inadvertent escalation. So, even from a deterrence perspective, there is a role for engagement with China. This is important, and worth noting that the 1963 US-Soviet “hotline” agreement—a crisis management mechanism—was a prelude to arms control.

Just over 20 years ago, a few analysts lamented that China was a “forgotten nuclear power.” Today, Russia is still the United States’ primary nuclear problem, but China is taking center stage. Addressing nuclear China will be challenging, and neither arms control nor deterrence will, alone, be enough. The United States needs a more sophisticated approach, one for which it can—and should—lay down markers in the next US Nuclear Posture Review.

David Santoro ([email protected]) is President and CEO of the Pacific Forum. He is the editor of a new volume on US-China Nuclear Relations: The Impact of Strategic Triangles (Lynne Rienner, May 2021). Follow him on Twitter @DavidSantoro1

PacNet commentaries and responses represent the views of the respective authors. Alternative viewpoints are always welcomed and encouraged. Click here to request a PacNet subscription.