{"id":2652830,"date":"2025-11-16T00:52:06","date_gmt":"2025-11-16T00:52:06","guid":{"rendered":"https:\/\/www.pressenza.com\/?p=2652830"},"modified":"2025-11-16T00:52:06","modified_gmt":"2025-11-16T00:52:06","slug":"les-experts-reagissent-a-la-proposition-de-trump-de-commencer-a-tester-nos-armes-nucleaires-sur-un-pied-degalite","status":"publish","type":"post","link":"https:\/\/www.pressenza.com\/fr\/2025\/11\/les-experts-reagissent-a-la-proposition-de-trump-de-commencer-a-tester-nos-armes-nucleaires-sur-un-pied-degalite\/","title":{"rendered":"Les experts r\u00e9agissent \u00e0 la proposition de Trump de \u00ab commencer \u00e0 tester nos armes nucl\u00e9aires sur un pied d&rsquo;\u00e9galit\u00e9"},"content":{"rendered":"<p><span dir=\"auto\"><span class=\"\" dir=\"auto\">Le pr\u00e9sident Donald Trump a \u00e9crit sur Truth Social, son r\u00e9seau social, qu&rsquo;il avait ordonn\u00e9 au d\u00e9partement de la Guerre (anciennement le d\u00e9partement de la D\u00e9fense) de reprendre les \u00ab essais nucl\u00e9aires \u00bb, sans qu&rsquo;il soit clair s&rsquo;il faisait r\u00e9f\u00e9rence aux essais d&rsquo;un vecteur nucl\u00e9aire (comme une fus\u00e9e) ou \u00e0 ceux d&rsquo;un engin explosif nucl\u00e9aire (la bombe elle-m\u00eame). Il s&rsquo;agit l\u00e0 de deux choses bien distinctes, et Trump semble les confondre.<\/span><\/span><\/p>\n<p><em><span dir=\"auto\">Par Dan Drollette Jr., Bulletin des scientifiques atomistes, 30 octobre 2025<\/span><\/em><\/p>\n<p><a href=\"https:\/\/bsky.app\/profile\/nukestrat.bsky.social\/post\/3m4fd5uzymc2b\"><span dir=\"auto\">Selon Hans Kristensen, \u00e9minent expert en armes nucl\u00e9aires<\/span><\/a><span dir=\"auto\"> \u00a0de la F\u00e9d\u00e9ration des scientifiques am\u00e9ricains (et l&rsquo;un des principaux auteurs de la chronique \u00ab\u00a0Carnet nucl\u00e9aire\u00a0\u00bb, publi\u00e9e r\u00e9guli\u00e8rement dans le\u00a0 <\/span><em><span dir=\"auto\">Bulletin des scientifiques atomistes<\/span><\/em><span dir=\"auto\"> )\u00a0: \u00ab\u00a0Il est difficile de savoir ce qu&rsquo;il veut dire. Comme d&rsquo;habitude, il est confus, incoh\u00e9rent et se trompe.\u00a0\u00bb Kristensen d\u00e9taille ensuite, r\u00e9futant une s\u00e9rie d&rsquo;affirmations de Trump dans sa publication sur les r\u00e9seaux sociaux. Par exemple, l&rsquo;affirmation initiale de Trump selon laquelle\u2026<\/span><\/p>\n<blockquote><p><span dir=\"auto\"><span class=\"\" dir=\"auto\">L\u2019affirmation selon laquelle \u00ab\u00a0les \u00c9tats-Unis poss\u00e8dent plus d\u2019armes nucl\u00e9aires que tout autre pays. Ceci a \u00e9t\u00e9 r\u00e9alis\u00e9, notamment par une mise \u00e0 jour et une r\u00e9novation compl\u00e8tes des armes existantes, durant mon premier mandat\u2026\u00a0\u00bb est tout simplement fausse.<\/span><\/span><\/p><\/blockquote>\n<p><span dir=\"auto\"><span class=\"\" dir=\"auto\">Comme le souligne Kristensen, la Russie poss\u00e8de plus d&rsquo;armes nucl\u00e9aires que les \u00c9tats-Unis. L&rsquo;affirmation de Trump concernant une \u00ab mise \u00e0 jour et une r\u00e9novation compl\u00e8tes des armes existantes \u00bb est \u00e9galement tout simplement fausse. Selon Kristensen, \u00ab le programme de modernisation nucl\u00e9aire actuellement en cours a \u00e9t\u00e9 initi\u00e9 par Obama, Trump ne l&rsquo;a pas achev\u00e9 et il se poursuivra pendant encore vingt ans \u00bb. Kristensen consacre ensuite huit publications li\u00e9es \u00e0 la correction ou \u00e0 la clarification des nombreuses autres d\u00e9clarations erron\u00e9es du pr\u00e9sident dans sa publication sur Truth Social. Par exemple, m\u00eame si la Chine augmentait consid\u00e9rablement le nombre de ses ogives nucl\u00e9aires, cela repr\u00e9senterait toujours moins d&rsquo;un tiers de ce que poss\u00e8dent d\u00e9j\u00e0 les \u00c9tats-Unis et la Russie.<\/span><\/span><\/p>\n<p><span dir=\"auto\">Et comme le souligne Kristensen, les \u00c9tats-Unis testent d\u00e9j\u00e0 leurs missiles (sans charge nucl\u00e9aire) pour s&rsquo;assurer qu&rsquo;ils peuvent \u00eatre lanc\u00e9s en toute s\u00e9curit\u00e9 et correctement\u00a0:<\/span><\/p>\n<blockquote><p><span dir=\"auto\"><span class=\"\" dir=\"auto\">\u00ab Si par essais il [Trump] entend des essais nucl\u00e9aires, ce serait une folie, probablement impossible avant 18 mois, cela co\u00fbterait de l&rsquo;argent que le Congr\u00e8s devrait approuver, et cela d\u00e9clencherait certainement des essais nucl\u00e9aires russes et chinois, et probablement aussi indiens et pakistanais. Contrairement aux \u00c9tats-Unis, tous ces pays auraient beaucoup \u00e0 gagner \u00e0 reprendre les essais nucl\u00e9aires. Il y a eu des rumeurs ponctuelles selon lesquelles la Russie et la Chine auraient pu effectuer des essais de tr\u00e8s faible puissance, mais je n&rsquo;ai connaissance d&rsquo;aucun rapport faisant \u00e9tat d&rsquo;explosions nucl\u00e9aires d&rsquo;envergure.\u00bb<\/span><\/span><\/p><\/blockquote>\n<p><span dir=\"auto\">La reprise des essais serait bien plus longue que ne le sugg\u00e8re Trump\u00a0; la Maison-Blanche devrait ordonner au minist\u00e8re de l\u2019\u00c9nergie d\u2019enjoindre les laboratoires nucl\u00e9aires nationaux \u00e0 se pr\u00e9parer \u00e0 un essai d\u2019ogive nucl\u00e9aire. Et comme les \u00c9tats-Unis ne disposent actuellement d\u2019aucun programme d\u2019essais d\u2019armes nucl\u00e9aires, le Congr\u00e8s devrait d\u00e9bloquer les fonds n\u00e9cessaires.<\/span><\/p>\n<p><span dir=\"auto\">De plus, Kristensen note :<\/span><\/p>\n<blockquote><p><span dir=\"auto\">\u00ab Ce serait co\u00fbteux et prendrait du temps : une simple explosion dure de 6 \u00e0 10 mois, un essai enti\u00e8rement instrument\u00e9 de 24 \u00e0 36 mois, et un essai pour d\u00e9velopper une nouvelle ogive nucl\u00e9aire dure environ 60 mois. \u00bb<\/span><\/p><\/blockquote>\n<p><span dir=\"auto\">Au cas o\u00f9 Trump \u00e9voquerait effectivement la possibilit\u00e9 de proc\u00e9der \u00e0 un essai nucl\u00e9aire, il serait judicieux de se replonger dans le\u00a0 num\u00e9ro de mars 2024 du <\/span><em><span dir=\"auto\">Bulletin , intitul\u00e9 \u00ab<\/span><\/em><a href=\"https:\/\/thebulletin.org\/magazine\/2024-03\/\"><span dir=\"auto\">\u00a0Un retour aux essais nucl\u00e9aires\u00a0?<\/span><\/a><span dir=\"auto\">\u00a0\u00bb, qui expose les nombreux impacts n\u00e9gatifs de ces essais. Dans ce num\u00e9ro, Walter Pincus, journaliste chevronn\u00e9 sp\u00e9cialis\u00e9 dans les questions de s\u00e9curit\u00e9 nationale, d\u00e9crit pr\u00e9cis\u00e9ment ce que vivent les populations des zones choisies pour les essais nucl\u00e9aires dans son article \u00ab<\/span>\u00a0<a href=\"https:\/\/thebulletin.org\/premium\/2024-03\/the-horrors-of-nuclear-weapons-testing\/#post-heading\"><span dir=\"auto\">Les horreurs des essais d\u2019armes nucl\u00e9aires<\/span><\/a><span dir=\"auto\">\u00a0\u00bb. De nos jours, on semble avoir oubli\u00e9 \u2013 si tant est qu\u2019on l\u2019ait jamais su \u2013 ce qu\u2019une seule arme nucl\u00e9aire peut causer. Les habitants des \u00celes Marshall, dont le territoire a \u00e9t\u00e9 transform\u00e9 en site d\u2019essais nucl\u00e9aires, ne l\u2019ont certainement jamais oubli\u00e9.<\/span><\/p>\n<p><span dir=\"auto\">Par ailleurs, les raisons de maintenir l&rsquo;interdiction des essais nucl\u00e9aires sont nombreuses, m\u00eame si la Russie, la Chine et les \u00c9tats-Unis ont conserv\u00e9 leurs sites d&rsquo;essais pr\u00eats \u00e0 une \u00e9ventuelle reprise des essais \u00e0 grande \u00e9chelle d&rsquo;engins explosifs nucl\u00e9aires, par pr\u00e9caution. L&rsquo;\u00e9minent chercheur Pavel Podvig analyse cette question en d\u00e9tail dans son\u00a0 \u00a0article <\/span><em><span dir=\"auto\">du Bulletin .<\/span><\/em><\/p>\n<blockquote><p><span dir=\"auto\"><span class=\"\" dir=\"auto\">\u00ab <\/span><\/span><a href=\"https:\/\/thebulletin.org\/premium\/2024-03\/preserving-the-nuclear-test-ban-after-russia-revoked-its-ctbt-ratification\/#post-heading\"><span dir=\"auto\"><span class=\"\" dir=\"auto\">Pr\u00e9server l\u2019interdiction des essais nucl\u00e9aires apr\u00e8s la r\u00e9vocation par la Russie de sa ratification du TICE<\/span><\/span><\/a><span dir=\"auto\"><span class=\"\" dir=\"auto\">. \u00bb<\/span><\/span><\/p><\/blockquote>\n<p><span dir=\"auto\">Un point souvent n\u00e9glig\u00e9 est que les \u00c9tats-Unis ont autant profit\u00e9 de l&rsquo;interdiction des essais nucl\u00e9aires que n&rsquo;importe quel autre pays. Par cons\u00e9quent, l&rsquo;entr\u00e9e en vigueur du Trait\u00e9 d&rsquo;interdiction compl\u00e8te des essais nucl\u00e9aires consoliderait l&rsquo;avantage am\u00e9ricain en mati\u00e8re de connaissances et d&rsquo;expertise nucl\u00e9aires et emp\u00eacherait les autres \u00c9tats de d\u00e9velopper des armes nucl\u00e9aires plus sophistiqu\u00e9es, comme le souligne Steven Pifer, expert de l&rsquo;universit\u00e9 de Stanford, dans son article intitul\u00e9 \u00ab<\/span><a href=\"https:\/\/thebulletin.org\/premium\/2024-03\/the-logic-for-us-ratification-of-the-comprehensive-nuclear-test-ban-treaty\/#post-heading\"><span dir=\"auto\">\u00a0La logique de la ratification par les \u00c9tats-Unis du Trait\u00e9 d&rsquo;interdiction compl\u00e8te des essais nucl\u00e9aires<\/span><\/a><span dir=\"auto\">\u00a0\u00bb.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le pr\u00e9sident Donald Trump a \u00e9crit sur Truth Social, son r\u00e9seau social, qu&rsquo;il avait ordonn\u00e9 au d\u00e9partement de la Guerre (anciennement le d\u00e9partement de la D\u00e9fense) de reprendre les \u00ab essais nucl\u00e9aires \u00bb, sans qu&rsquo;il soit clair s&rsquo;il faisait r\u00e9f\u00e9rence&hellip;<\/p>\n","protected":false},"author":1126,"featured_media":2652831,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87,1250,93,95],"tags":[3405,859,55606],"class_list":["post-2652830","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amerique-du-nord","category-paix-desarmement","category-politique","category-affaires-etrangeres","tag-armes-nucleaires","tag-essais-nucleaires","tag-trump-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les experts r\u00e9agissent \u00e0 la proposition de Trump de \u00ab commencer \u00e0 tester nos armes 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