{"id":58068,"date":"2020-08-06T15:24:45","date_gmt":"2020-08-06T05:24:45","guid":{"rendered":"https:\/\/www.aspistrategist.ru\/?p=58068"},"modified":"2020-08-06T17:01:00","modified_gmt":"2020-08-06T07:01:00","slug":"the-future-legacy-of-hiroshima","status":"publish","type":"post","link":"https:\/\/www.aspistrategist.ru\/the-future-legacy-of-hiroshima\/","title":{"rendered":"The future legacy of Hiroshima"},"content":{"rendered":"
<\/figure>\n

On 6 August\u201475 years ago today\u2014the first nuclear weapon used in anger was dropped on the Japanese city of Hiroshima. One more was used against Nagasaki on 9 August, and since then, no nuclear weapons have been used in anger.<\/p>\n

The physical impact of those two attacks transformed how the world thought about war and imposed a terrible human cost that has generated pressures against further nuclear weapon use. Although there\u2019s debate over death toll figures, estimates range<\/a> from 70,000 to 140,000 dead at Hiroshima and 40,000 to 70,000 at Nagasaki. This doesn\u2019t take into account the long-term medical and psychological effects<\/a> of the use of just two nuclear weapons.<\/p>\n

Seventy-five years later, nuclear weapons continue to cast a shadow over the international security environment. Efforts towards total nuclear disarmament were never really credible, but arms control\u2014a more practical immediate step\u2014now looks set to falter as well. With major-power competition rising, and prospects for international cooperation on reducing the number and efficacy of nuclear weapons receding, the odds of avoiding the next use of nuclear weapons in anger are declining.<\/p>\n

Certainly, a key factor in preventing further use of nuclear weapons has been credible deterrent strategies and the maintenance of survivable nuclear deterrent capabilities. But a degree of luck, too, has contributed to establishing a norm of non-use of nuclear weapons. It also helps that the major powers have all been rational actors\u2014mutual self-interest in avoiding mutual self-annihilation has been a powerful motivation against using nuclear weapons. That\u2019s generated a taboo against use of nuclear weapons, which, as Nina Tannenwald argued<\/a>, \u2018has stigmatised nuclear weapons as unacceptable\u2014\u201cweapons of mass destruction\u201d\u2019.<\/p>\n

In considering the prospect of a more dangerous and contested future, the key questions are whether our luck will hold, whether deterrence will continue to work or remain relevant, and whether that taboo is real enough to enable us to avoid nuclear-weapon use in the future.<\/p>\n

First, in terms of luck, although the Cold War had its share of crises and nuclear \u2018near misses\u2019, there was at least a degree of broad stability in the relationship between the United States and the Soviet Union, with both sides largely sticking to undeclared rules on crisis management, especially after the near-miss of October 1962. That in turn made arms control possible, enabled by confidence-building and verification measures and regular high-level dialogue.<\/p>\n

Staying lucky may be a passing trend.<\/p>\n

The end<\/a> of the 1987 Intermediate-Range Nuclear Forces Treaty<\/a> in 2019, and now the likely prospect that the 2010 New START<\/a> agreement on strategic nuclear forces won\u2019t be extended by the February 2021 deadline, increase the risk that the undeclared rules for major-power behaviour will fray. The lapse of New START would essentially see the end of meaningful arms control between the US and Russia.<\/p>\n

This is occurring at the same time as both Russia and China are modernising their nuclear forces, with the US is set to follow suit in updating its increasingly ageing nuclear capabilities and infrastructure. The absence of arms control and the strategic dialogue that went with it would take US\u2013Russia relations back to the tense times of the 1950s and potentially see rapidly escalating numbers of warheads and delivery systems being acquired in an action\u2013reaction cycle driven by rising security dilemmas.<\/p>\n

That sounds bad enough, but in the 21st century it\u2019s a far more complex strategic picture, and that complexity could erode the efficacy of nuclear deterrence overall. Although the People\u2019s Republic of China has had nuclear weapons since 1964, the central strategic deterrence dynamic that shaped stability and arms control engagement through the Cold War was always between Moscow and Washington. In 2020 and beyond, the US must contend not only with Russia deploying new types<\/a> of nuclear capabilities (including nuclear-powered strategic cruise missiles and the Poseidon<\/a> nuclear unmanned underwater vehicle, as well as hypersonic weapons) but also China<\/a> modernising<\/a> its nuclear delivery systems.<\/p>\n

Added to this are the complex secondary deterrence relationships which are now emerging. These include the risk of nuclear action\u2013reaction arms racing between India and China and between India and Pakistan, and the risk of a highly unstable deterrence triangle between all three powers against the context of active border disputes along the India\u2013Pakistan and India\u2013China borders. There are also challenges from an unpredictable nuclear-armed North Korea<\/a>, as well as a risk that Iran<\/a> will once and for all break out of the now-dead Joint Comprehensive Plan of Action, which would have constrained its nuclear options at least until the mid-2030s. Things are looking much more messy and less controllable.<\/p>\n

So, the clean deterrence theory of mutually assured destruction that characterised US\u2013Soviet decision-making in the Cold War will be weakened by growing complexity and strategic uncertainty implicit in a multi-faceted nuclear order. That makes staying lucky much harder to guarantee in the next major nuclear crisis.<\/p>\n

But what about the nuclear taboo? It\u2019s impossible to really know whether the likes of North Korean leader Kim Jong-un, or military decision-makers in Pakistan<\/a>, see nuclear weapons as non-usable in a crisis. The issue of Russia\u2019s integration of non-nuclear and non-strategic nuclear weapons and the debate over \u2018escalate to de-escalate\u2019 in Russian nuclear doctrine have generated uncertainty<\/a> over whether Russia would use nuclear weapons pre-emptively in a local crisis. China maintains a \u2018no first use\u2019 posture, but concerns are growing that it could seek to race to nuclear parity<\/a>, which could see that commitment erode.<\/p>\n

The US, UK and French nuclear arsenals remain configured for traditional deterrence roles, but the US arms control community has raised<\/a> concerns<\/a> that new W76-2<\/a> low-yield warheads for the US Trident D-5 missile and a nuclear-armed submarine-launched cruise missile could lower the US nuclear threshold. New technologies such as hypersonics and advanced autonomous systems add to a more uncertain and complex future for the stability of nuclear deterrence and the efficacy of a nuclear taboo, and it would be a brave assumption to suggest that nuclear weapons will never be used again.<\/p>\n","protected":false},"excerpt":{"rendered":"

On 6 August\u201475 years ago today\u2014the first nuclear weapon used in anger was dropped on the Japanese city of Hiroshima. One more was used against Nagasaki on 9 August, and since then, no nuclear weapons …<\/p>\n","protected":false},"author":147,"featured_media":58075,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[116,356],"class_list":["post-58068","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","tag-nuclear-deterrence","tag-nuclear-weapons"],"acf":[],"yoast_head":"\nThe future legacy of Hiroshima | The Strategist<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.aspistrategist.ru\/the-future-legacy-of-hiroshima\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The future legacy of Hiroshima | The Strategist\" \/>\n<meta property=\"og:description\" content=\"On 6 August\u201475 years ago today\u2014the first nuclear weapon used in anger was dropped on the Japanese city of Hiroshima. 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