1968年图勒空军基地B-52坠毁事件

1968年美国图勒空军基地B-52坠毁事件，是一起发生在1968年1月21日的飞机坠毁事件，事件中一架美国空军的B-52轰炸机坠毁。这架B-52轰炸机携带了4颗氢弹，执行冷战期间的鉻穹頂行動（英语：Operation Chrome Dome），在飞越北冰洋的巴芬湾时，因为机舱起火迫使机组人员在迫降前放弃飞机。6名机组人员成功脱险，但其中1名因为没有弹射座椅，在试图跳伞时死亡。飞机随后坠入格陵兰島西北部美軍圖勒空軍基地附近的北极星海湾，导致4颗氢弹头破裂并扩散，产生大范围的放射性污染。

美国和丹麦启动了一次集中清理和恢复工作，但其中一颗弹头未被找到。事發後美国战略空军的鉻穹頂行動（英语：Operation Chrome Dome）立即终止，这更加突出了此任务的安全和政治风险。随后一系列的安全措施被加强，并研制出核武器上使用的更稳定的常规炸药。

1995年，有报告揭发丹麦政府有意对格陵兰的核武器事故保持缄默，这违反了1957年丹麦的无核区域政策。参与清理的工人因为核辐射产生相关疾病，一直在寻求赔偿。2009年3月，时代杂志认为这次事故是世界上最严重的一起核事故。

参考资料

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AEC Observers' Interim Report of Thule Accident, United States Atomic Energy Commission, 1968-02-26, Report, retrieved on 2008-11-13
Broken Arrow - Palomares, Spain (PDF). USAF Nuclear Safety (Directorate of Nuclear Safety, United States Air Force). Sep–Oct 1966, 52 [2009-03-23]. （原始内容 (PDF)存档于2009-03-27）.
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Christensen, Svend Aage. The Thule Accident. Danish Institute for International Studies (DIIS). 2009-08-03 [2009-08-14]. ISBN 978-87-7605-331-4. （原始内容存档于2012-05-25）.
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网页

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Petition 720/2002 by Jeffrey Carswell（页面存档备份，存于互联网档案馆）, Committee on Petitions, European Parliament, 2004
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拓展阅读

Brink, Poul. Thule-Sagen, Løgnens Univers. Aschehoug. 1997. ISBN 8711150459. （丹麦文）
James C. Oskins, Michael H. Maggelet. Broken Arrow - The Declassified History of U.S. Nuclear Weapons Accidents. Lulu. 2008. ISBN 1-4357-0361-8.

外部链接

文件和照片（丹麦文）
DoD Mishaps by the Armed Forces Radiobiology Research Institute
Declassified US government video of clean-up operation（页面存档备份，存于互联网档案馆） BBC
National Institute for Radiation Protection (Denmark)（页面存档备份，存于互联网档案馆）（丹麦文）
Thulesundhed.dk website by Ministry of Health and Prevention (Denmark) and the Department of Family and Health (Greenland) covering the impact of plutonium in the Thule area on the health of the local population （丹麦文）