{"id":533759,"date":"2026-06-13T19:58:37","date_gmt":"2026-06-13T19:58:37","guid":{"rendered":"https:\/\/www.europesays.com\/ie\/533759\/"},"modified":"2026-06-13T19:58:37","modified_gmt":"2026-06-13T19:58:37","slug":"japans-flagship-h3-rocket-returns-to-flight-after-december-failure","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ie\/533759\/","title":{"rendered":"Japan&#8217;s flagship H3 rocket returns to flight after December failure"},"content":{"rendered":"<p>TOKYO (AP) \u2014 Japan\u2019s H3 rocket returned to flight Friday with the debut of a new low-cost variant, a badly needed success for the country\u2019s new flagship rocket that has struggled with mission failures while facing an increasingly competitive space industry.<\/p>\n<p>The H3 rocket took off from the Tanegashima Space Center on a southwestern Japanese island Friday morning and its second stage successfully reached a targeted orbit, the Japan Aerospace Exploration Agency said during its livestreaming. <\/p>\n<p>Six small satellites developed by universities and other organizations carried by the vehicle also were believed to be successfully separated, JAXA said.<\/p>\n<p>Friday\u2019s mission marked the debut for the H3\u2019s new \u201c30 configuration\u201d equipped with triple liquid-fuel LE-9 engines and no rocket boosters, which is intended to be a low-cost version making the series more competitive. The variant is one of three designed to accommodate a wide range of customer needs. <\/p>\n<p>The sixth successful launch comes after two failures for the new model that replaced the <a class=\"Link AnClick-LinkEnhancement\" data-gtm-enhancement-style=\"LinkEnhancementA\" href=\"https:\/\/apnews.com\/article\/japan-space-rocket-satellite-carbon-climate-f5a2cdc4e8e0611288c3e72b9e965c1b\" rel=\"nofollow noopener\" target=\"_blank\">mainstay H-2A<\/a>, which had a near-perfect success record. <\/p>\n<p>The H3 rocket is designed to be more cost effective in the global space market dominated by Elon Musk\u2019s <a class=\"Link AnClick-LinkEnhancement\" data-gtm-enhancement-style=\"LinkEnhancementA\" href=\"https:\/\/apnews.com\/article\/spacex-musk-starship-ipo-satellites-data-center-293e82ea0216efdd0ff7601baf85bae8\" rel=\"nofollow noopener\" target=\"_blank\">SpaceX<\/a>. Japan sees a stable, commercially competitive transport capability as key to its space program and national security. <\/p>\n<p>During <a class=\"Link AnClick-LinkEnhancement\" data-gtm-enhancement-style=\"LinkEnhancementA\" href=\"https:\/\/apnews.com\/article\/japan-space-rocket-h3-failure-observation-satellite-dc137cb55bb4b72537508f1319989ce1\" rel=\"nofollow noopener\" target=\"_blank\">its debut flight<\/a> in March 2023, the H3 failed to ignite its second-stage engine. Then <a class=\"Link AnClick-LinkEnhancement\" data-gtm-enhancement-style=\"LinkEnhancementA\" href=\"https:\/\/apnews.com\/article\/japan-space-rocket-satellite-b52096bf8f2533dcd120e5942ef9d5be\" rel=\"nofollow noopener\" target=\"_blank\">in December<\/a>, the rocket launched with a navigation satellite but failed to put the payload into a planned orbit due to a malfunctioning second-stage engine. <\/p>\n<p>The H3 had been grounded since December and a third failure on Friday would have been a major blow to Japan\u2019s future space projects, including a Mars mission planned for 2028. A smaller <a class=\"Link AnClick-LinkEnhancement\" data-gtm-enhancement-style=\"LinkEnhancementA\" href=\"https:\/\/apnews.com\/article\/japan-rocket-engine-fire-explosion-c58b6bd86941f916bb5fb873c645c519\" rel=\"nofollow noopener\" target=\"_blank\">Epsilon S series<\/a> also has been delayed since it caught fire during a test in 2024.<\/p>\n<p>JAXA and Mitsubishi Heavy Industries, which are co-developing the rocket, hope eventually to launch H3 six to eight times annually.<\/p>\n","protected":false},"excerpt":{"rendered":"TOKYO (AP) \u2014 Japan\u2019s H3 rocket returned to flight Friday with the debut of a new low-cost variant,&hellip;\n","protected":false},"author":2,"featured_media":533760,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[270],"tags":[17931,10852,79,28606,18,1647,3334,19,17,386,10862,22569,14164,133,451,2731,82,66],"class_list":["post-533759","post","type-post","status-publish","format-standard","has-post-thumbnail","category-space","tag-aerospace-and-defense-industry","tag-asia-pacific","tag-business","tag-capitalism","tag-eire","tag-elon-musk","tag-general-news","tag-ie","tag-ireland","tag-japan","tag-japan-government","tag-ltd","tag-mitsubishi-heavy-industries","tag-science","tag-space","tag-spacex","tag-technology","tag-world-news"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ie\/116744572364083071","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/533759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/comments?post=533759"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/533759\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media\/533760"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media?parent=533759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/categories?post=533759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/tags?post=533759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}