{"id":5211,"date":"2026-02-07T23:00:00","date_gmt":"2026-02-07T14:00:00","guid":{"rendered":"https:\/\/allaboutenglishmastery.com\/?p=5211"},"modified":"2026-02-06T19:35:13","modified_gmt":"2026-02-06T10:35:13","slug":"taiwan-submarine-undersea-trial","status":"publish","type":"post","link":"https:\/\/allaboutenglishmastery.com\/ko\/taiwan-submarine-undersea-trial\/","title":{"rendered":"Taiwan\u2019s New Submarine Passes a Key Dive Test in a First Undersea Trial"},"content":{"rendered":"<h1 class=\"wp-block-heading\">Taiwan\u2019s New Submarine Passes a Key Dive Test in a First Undersea Trial<\/h1>\n\n\n\n<h4 class=\"wp-block-heading\">Advanced | February 7, 2026<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u2728 <em>\ud63c\uc790\uc11c \uae30\uc0ac\ub97c \uc18c\ub9ac \ub0b4\uc5b4 \uc77d\uac70\ub098 \ud29c\ud130\ub97c \ub530\ub77c \uac01 \ub2e8\ub77d\uc744 \ubc18\ubcf5\ud574\uc11c \uc77d\uc73c\uc138\uc694. \ub808\ubca8...<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Taiwan submarine undersea trial: A Big Step Below the Surface<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Taiwan says its first domestically built submarine has completed its <strong>first undersea test<\/strong>, a milestone for a program designed to strengthen deterrence and protect vital sea lanes if conflict erupts. Taiwan\u2019s state-owned shipbuilder <strong>CSBC<\/strong> said the prototype submarine\u2014known as <strong>Hai Kun<\/strong> (also called \u201cNarwhal\u201d)\u2014successfully carried out a <strong>shallow-water submerged navigation test<\/strong> near the southern port city of <strong>Kaohsiung<\/strong>. (<a href=\"https:\/\/www.reuters.com\/business\/aerospace-defense\/taiwan-completes-first-undersea-trial-domestically-made-submarine-2026-01-30\/\">Reuters<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Why This Test Matters<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A submarine doesn\u2019t need to fire a shot to matter. Its value comes from being hard to track, which can complicate an opponent\u2019s planning and raise the cost of aggression. CSBC described submarines as a key strategic capability with deterrent power\u2014especially important as China continues to pressure Taiwan with frequent military activity around the island. (<a href=\"https:\/\/www.reuters.com\/business\/aerospace-defense\/taiwan-completes-first-undersea-trial-domestically-made-submarine-2026-01-30\/\">Reuters<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">The Plan: Up to Eight Boats<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Taiwan has made the indigenous submarine project a centerpiece of its defense modernization. Reuters reported that CSBC is leading construction on a planned fleet of <strong>eight<\/strong> submarines, with Taiwan aiming to have <strong>at least two<\/strong> of the new boats in service by <strong>2027<\/strong>. Taiwan has also said it may equip later models with <strong>missiles<\/strong>, depending on how the program develops. (<a href=\"https:\/\/www.reuters.com\/business\/aerospace-defense\/taiwan-completes-first-undersea-trial-domestically-made-submarine-2026-01-30\/\">Reuters<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Delays, Pressure, and Foreign Help<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This program hasn\u2019t been smooth sailing. CSBC said the project faced constraints in the international environment and pressure from China, and the first submarine slipped past an earlier delivery target of <strong>2024<\/strong>. Reuters also noted that Taiwan drew on technology and expertise from multiple countries, including the <strong>United States<\/strong> and <strong>Britain<\/strong>, despite Taiwan\u2019s diplomatic isolation. (<a href=\"https:\/\/www.reuters.com\/business\/aerospace-defense\/taiwan-completes-first-undersea-trial-domestically-made-submarine-2026-01-30\/\">Reuters<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">What\u2019s Onboard<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Reuters reported the submarine\u2019s price tag at <strong>T$49.36 billion<\/strong> (about <strong>$1.58 billion<\/strong>). It is expected to use a combat system from <strong>Lockheed Martin<\/strong> and carry U.S.-made <strong>Mark 48 heavyweight torpedoes<\/strong>. Naval News added that CSBC described the January submerged trial as the start of a broader test sequence as the program works toward safe, repeatable submerged operations. (<a href=\"https:\/\/www.reuters.com\/business\/aerospace-defense\/taiwan-completes-first-undersea-trial-domestically-made-submarine-2026-01-30\/\">Reuters<\/a>; <a href=\"https:\/\/www.navalnews.com\/naval-news\/2026\/01\/taiwans-indigenous-defense-submarine-hai-kun-ss-711-conducts-first-submerged-trial\/\">Naval News<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">What to Watch Next<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Expect more testing, not a victory lap. CSBC said the submerged trials would proceed in stages\u2014starting with <strong>snorkel-depth testing at about 10\u201320 meters<\/strong> to verify watertight integrity, underwater balance, stability, and the integration of onboard systems. Janes also reported that preparations and oversight involve the Taiwan navy and <strong>foreign technical advisers<\/strong>, which suggests Taiwan is aiming for safe, credible results\u2014not rushed headlines. In practical terms, the <strong>Taiwan submarine undersea trial<\/strong> is a \u201cPhase 1\u201d moment\u2014proof it can submerge and navigate safely\u2014before deeper tests and full system evaluations move the program closer to real operational readiness. (<a href=\"https:\/\/www.taipeitimes.com\/News\/front\/archives\/2026\/01\/30\/2003851458\">Taipei Times<\/a>; <a href=\"https:\/\/www.janes.com\/osint-insights\/defence-news\/industry\/taiwans-first-indigenous-submarine-completes-maiden-underwater-trials\">Janes<\/a>; <a href=\"https:\/\/www.navalnews.com\/naval-news\/2026\/01\/taiwans-indigenous-defense-submarine-hai-kun-ss-711-conducts-first-submerged-trial\/\">Naval News<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Vocabulary<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>milestone<\/strong> (noun) \u2014 an important achievement or stage.<br><em>Example:<\/em> <em>The Taiwan submarine undersea trial was a major milestone for the program.<\/em><\/li>\n\n\n\n<li><strong>deterrence<\/strong> (noun) \u2014 preventing action by making the cost seem too high.<br><em>Example:<\/em> <em>Submarines can increase deterrence because they\u2019re hard to track.<\/em><\/li>\n\n\n\n<li><strong>prototype<\/strong> (noun) \u2014 the first working model of something.<br><em>Example:<\/em> <em>Hai Kun is the prototype submarine for Taiwan\u2019s new class.<\/em><\/li>\n\n\n\n<li><strong>submerged<\/strong> (adjective) \u2014 underwater.<br><em>Example:<\/em> <em>The submarine completed a submerged navigation test.<\/em><\/li>\n\n\n\n<li><strong>navigation<\/strong> (noun) \u2014 the process of planning and controlling movement.<br><em>Example:<\/em> <em>Shallow-water navigation can be challenging near busy ports.<\/em><\/li>\n\n\n\n<li><strong>constraints<\/strong> (noun) \u2014 limits or restrictions.<br><em>Example:<\/em> <em>International constraints slowed parts of the project.<\/em><\/li>\n\n\n\n<li><strong>combat system<\/strong> (noun) \u2014 integrated electronics used to detect, track, and engage targets.<br><em>Example:<\/em> <em>The boat is expected to use a Lockheed Martin combat system.<\/em><\/li>\n\n\n\n<li><strong>torpedo<\/strong> (noun) \u2014 an underwater weapon launched from a ship or submarine.<br><em>Example:<\/em> <em>The submarine is expected to carry Mark 48 torpedoes.<\/em><\/li>\n\n\n\n<li><strong>operational<\/strong> (adjective) \u2014 ready for real use or deployment.<br><em>Example:<\/em> <em>Taiwan hopes to have at least two submarines operational by 2027.<\/em><\/li>\n\n\n\n<li><strong>readiness<\/strong> (noun) \u2014 the state of being prepared.<br><em>Example:<\/em> <em>More trials will be needed before full readiness is confirmed.<\/em><\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Discussion Questions (About the Article)<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>What happened during Taiwan\u2019s first undersea trial, and where did it take place?<\/li>\n\n\n\n<li>Why is a shallow-water submerged navigation test a meaningful milestone?<\/li>\n\n\n\n<li>What are Taiwan\u2019s targets for the number of submarines and timeline?<\/li>\n\n\n\n<li>What challenges and delays has the project faced?<\/li>\n\n\n\n<li>What systems and weapons are expected on the first submarine?<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Discussion Questions (About the Topic)<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Why do submarines matter in modern defense strategy?<\/li>\n\n\n\n<li>How can \u201casymmetric\u201d military tools change a country\u2019s security planning?<\/li>\n\n\n\n<li>Should smaller countries build weapons domestically or buy them internationally? Why?<\/li>\n\n\n\n<li>How do international politics affect access to defense technology?<\/li>\n\n\n\n<li>What risks come with escalating military modernization on both sides of a conflict?<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Related Idiom<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u201cBelow the surface\u201d<\/strong> \u2014 not obvious at first, but important.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Example:<\/em> <em>The Taiwan submarine undersea trial shows what\u2019s happening \u201cbelow the surface\u201d in Taiwan\u2019s defense strategy.<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udce2 Want more real-news English practice like this? \ud83d\udc49 <strong>Sign up for the All About English Mastery Newsletter!<\/strong> <a href=\"https:\/\/allaboutenglishmastery.com\/ko\/newsletter\/\">Click here<\/a> to join us!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Want to finally Master English but don&#8217;t have the time? <a href=\"https:\/\/allaboutenglishmastery.com\/ko\/english-mastery-course\/\"><strong>Mastering English for Busy Professionals<\/strong><\/a> is the course for you! Check it out now!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Follow our YouTube Channel <a href=\"https:\/\/www.youtube.com\/@All_About_English\"><strong>@All_About_English<\/strong><\/a> for more great insights and tips.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">This article was inspired by: <a href=\"https:\/\/www.reuters.com\/\">Reuters<\/a> (source prompt), with additional details cross-checked via <a href=\"https:\/\/www.navalnews.com\/\">Naval News<\/a> and <a href=\"https:\/\/www.janes.com\/\">Janes<\/a>, plus added trial-stage detail from <a href=\"https:\/\/www.taipeitimes.com\/\">Taipei Times<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>","protected":false},"excerpt":{"rendered":"<p>Taiwan\u2019s New Submarine Passes a Key Dive Test in a First Undersea Trial Advanced | February 7, 2026 \u2728 Read [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5212,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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