{"id":"f554078c-742c-4095-8ff3-0b528ff2d5e6","slug":"hanwha-daejeon-explosion-2026-06","kind":"fatality","headline":"Explosion at Hanwha Aerospace Daejeon rocket propellant plant kills five, injures two","summary":"An explosion and fire on a rocket propellant production line at Hanwha Aerospace's Daejeon plant killed five workers and injured two others. The blast occurred while water was being used to clean explosive material from tools. CEO Son Jae-il was booked under South Korea's Serious Accidents Punishment Act. President Lee Jae Myung called for a full investigation.","occurredAt":"2026-06-01T00:00:00.000Z","reviewStatus":"reviewed","modelId":null,"deploymentId":null,"companyId":"c741507c-127c-43d9-a836-49138a9930d0","aliases":[],"collisionRisk":"none","reviewNote":null,"severity":"critical","rootCauseCategory":null,"rootCauseDetail":null,"affectedUnitsCount":null,"affectedUnitsBasis":null,"remediationStatus":null,"regulatoryAction":"investigation","regulatoryBody":"Korean Ministry of Employment and Labor","propertyDamageEstimateUsd":null,"damageEstimateBasis":null,"bodilyInjurySeverity":null,"fatalityCount":null,"lossCostClass":null,"sourceQualityTier":null,"oshaRecordable":null,"oshaCaseNumber":null,"rootCauseDisclosed":null,"publicDisclosureDate":null,"insuranceClaimPublic":null,"createdAt":"2026-07-16T19:02:48.885Z","updatedAt":"2026-07-16T19:02:48.885Z","model":null,"deployment":null,"company":{"id":"c741507c-127c-43d9-a836-49138a9930d0","name":"Hanwha Aerospace","slug":"hanwha-aerospace","description":"Hanwha Aerospace is South Korea's leading defense and aerospace company, developing unmanned ground vehicles including the [Arion-SMET](/models/hanwha-arion-smet) 6x6 UGV and its GRUNT variant. A subsidiary of [Hanwha Group](https://www.hanwha.com) formerly known as Samsung Techwin, the company manufactures artillery systems, armored vehicles, aircraft engines, and rocket propulsion, and is Korea's only gas turbine engine maker. Its K9 self-propelled howitzer has been exported to Poland, Romania, Finland, Norway, and Estonia, making it one of the world's most prolific artillery exporters.","status":"active","founded":1977,"hq":"Seoul, South Korea","fundingTotal":null,"type":null,"reviewStatus":"reviewed","lifecycleState":"active","supersededByCompanyId":null,"sources":[{"url":"https://www.hanwhaaerospace.com/","title":"Hanwha Aerospace","sourceName":"Hanwha Aerospace"},{"url":"https://en.wikipedia.org/wiki/Hanwha_Aerospace","label":"Hanwha Aerospace - Wikipedia","title":"Hanwha Aerospace - Wikipedia","mediaType":"article","sourceName":"Wikipedia"},{"url":"https://www.kedglobal.com/aerospace-defense/newsView/ked202412160009","label":"Leonardo's Coulter named Hanwha Aerospace's 1st foreign global chief","title":"Leonardo's Coulter named Hanwha Aerospace's 1st foreign global chief","mediaType":"article","sourceName":"Korea Economic Daily Global"}],"keyFacts":[{"label":"CEO","value":"Son Jae-il"},{"label":"Global Defense CEO","value":"Michael Coulter (hired Dec 2024)"},{"label":"Parent","value":"Hanwha Group"},{"label":"Ticker","value":"KRX:012450"},{"label":"Revenue 2025","value":"KRW 26.7 trillion (~$18.9B)"},{"label":"S&P credit rating","value":"A-"},{"label":"Formerly","value":"Samsung Precision (1977), Samsung Techwin (2000-2015), Hanwha Techwin (2015-2018)"},{"label":"Financial stage","value":"Mature (publicly traded subsidiary of Hanwha Group)"}],"aliases":["Hanwha Aerospace","Hanwha Defense"],"collisionRisk":"low","reviewNote":null,"atsProvider":null,"atsSlug":null,"factoryLocations":null,"manufacturingCapacity":null,"orgType":null,"burnSignal":null,"litigationEvents":null,"insurancePostureDisclosed":null,"unitEconomicsDisclosed":null,"createdAt":"2026-06-05T18:45:17.146Z","updatedAt":"2026-07-16T19:03:26.598Z"},"derived":{"status":"active"},"sources":[{"id":"4d288df2-8888-4f4a-b0d4-c116ef39960e","incidentId":"f554078c-742c-4095-8ff3-0b528ff2d5e6","url":"https://www.reuters.com/world/asia-pacific/reports-an-explosion-hanwha-aerospace-factory-south-korea-official-says-2026-06-01/","label":"Five dead, two injured after blast at Hanwha Aerospace plant in South Korea","publishedAt":"2026-06-01T00:00:00.000Z","notes":null,"title":"Five dead, two injured after blast at Hanwha Aerospace plant in South Korea","sourceName":"Reuters","mediaType":"article","videoId":null,"channel":null,"durationSec":null,"timestampSec":null,"createdAt":"2026-07-16T19:02:49.685Z","updatedAt":"2026-07-16T19:02:49.685Z"},{"id":"b947eb79-009e-442e-af57-01e0e6475dd3","incidentId":"f554078c-742c-4095-8ff3-0b528ff2d5e6","url":"https://www.koreaherald.com/article/10766216","label":"Hanwha Aerospace CEO booked over deadly plant explosion","publishedAt":"2026-06-24T00:00:00.000Z","notes":null,"title":"Hanwha Aerospace CEO booked over deadly plant explosion","sourceName":"Korea Herald","mediaType":"article","videoId":null,"channel":null,"durationSec":null,"timestampSec":null,"createdAt":"2026-07-16T19:02:50.451Z","updatedAt":"2026-07-16T19:02:50.451Z"}],"responses":[],"statusEvents":[],"jsonLd":{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://registry.deploy.report/incidents/hanwha-daejeon-explosion-2026-06","url":"https://registry.deploy.report/incidents/hanwha-daejeon-explosion-2026-06","headline":"Explosion at Hanwha Aerospace Daejeon rocket propellant plant kills five, injures two","description":"An explosion and fire on a rocket propellant production line at Hanwha Aerospace's Daejeon plant killed five workers and injured two others. The blast occurred while water was being used to clean explosive material from tools. CEO Son Jae-il was booked under South Korea's Serious Accidents Punishment Act. President Lee Jae Myung called for a full investigation.","identifier":"f554078c-742c-4095-8ff3-0b528ff2d5e6","datePublished":"2026-06-01T00:00:00.000Z","articleSection":"fatality","publisher":{"@id":"https://deploy.report/#organization"},"author":{"@id":"https://deploy.report/#organization"}},"framework_metadata":{"framework_schema_version":"0.1.0","verification_status":"verified","maturity_stage":null,"lifecycle_state":null,"architectural_position":{"cohort":null,"sub_cohorts":[]},"within_cohort_verified_vs_claimed_pair":null,"cap_flags":[],"verification_depth":{"sources_count":2,"primary_source_types":["secondary-established-publication"]}}}