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"extract": "The Boeing B-52 Stratofortress is an American nuclear-capable subsonic jet-powered strategic bomber. The B-52 was designed and built by Boeing, which has continued to provide support and upgrades. It has been operated by the United States Air Force (USAF) since 1955 and was flown by NASA from 1959 to 2007. The bomber can carry up to 70,000 pounds (32,000\u00a0kg) of weapons and has a typical combat range of around 8,800 miles (14,200\u00a0km) without aerial refueling.",
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"extract": "The Boeing B-52 Stratofortress is an American nuclear-capable subsonic jet-powered strategic bomber. The B-52 was designed and built by Boeing, which has continued to provide support and upgrades. It has been operated by the United States Air Force (USAF) since 1955 and was flown by NASA from 1959 to 2007. The bomber can carry up to 70,000 pounds (32,000\u00a0kg) of weapons and has a typical combat range of around 8,800 miles (14,200\u00a0km) without aerial refueling.",
"extract_html": "\u003cp\u003eThe \u003cb\u003eBoeing B-52 Stratofortress\u003c/b\u003e is an American nuclear-capable subsonic jet-powered strategic bomber. The B-52 was designed and built by Boeing, which has continued to provide support and upgrades. It has been operated by the United States Air Force (USAF) since 1955 and was flown by NASA from 1959 to 2007. The bomber can carry up to 70,000 pounds (32,000\u00a0kg) of weapons and has a typical combat range of around 8,800 miles (14,200\u00a0km) without aerial refueling.\u003c/p\u003e",
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"displaytitle": "\u003cspan lang=\"en\" dir=\"ltr\"\u003e\u003cspan class=\"mw-page-title-main\"\u003e1968 Thule Air Base B-52 crash\u003c/span\u003e\u003c/span\u003e",
"extract": "On 21 January 1968, an aircraft accident, sometimes known as the Thule affair or Thule accident, involving a United States Air Force (USAF) B-52 bomber occurred near Thule Air Base in the Danish territory of Greenland. The aircraft was carrying four B28FI thermonuclear bombs on a Cold War \"Chrome Dome\" alert mission over Baffin Bay when a cabin fire forced the crew to abandon the aircraft before they could carry out an emergency landing at Thule Air Base. Six crew members ejected safely, but one who did not have an ejection seat was killed while trying to bail out. The bomber crashed onto sea ice in North Star Bay, Greenland, causing the conventional explosives aboard to detonate and the nuclear payload to rupture and disperse, resulting in radioactive contamination of the area.",
"extract_html": "\u003cp\u003eOn 21 January 1968, an aircraft accident, sometimes known as the \u003cb\u003eThule affair\u003c/b\u003e or \u003cb\u003eThule accident\u003c/b\u003e, involving a United States Air Force (USAF) B-52 bomber occurred near Thule Air Base in the Danish territory of Greenland. The aircraft was carrying four B28FI thermonuclear bombs on a Cold War \"Chrome Dome\" alert mission over Baffin Bay when a cabin fire forced the crew to abandon the aircraft before they could carry out an emergency landing at Thule Air Base. Six crew members ejected safely, but one who did not have an ejection seat was killed while trying to bail out. The bomber crashed onto sea ice in North Star Bay, Greenland, causing the conventional explosives aboard to detonate and the nuclear payload to rupture and disperse, resulting in radioactive contamination of the area.\u003c/p\u003e",
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"timestamp": "2026-02-19T22:37:45Z",
"title": "1968_Thule_Air_Base_B-52_crash",
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"wikibase_item": "Q346847"
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"description": "Outcome of seawater as it freezes",
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"displaytitle": "\u003cspan lang=\"en\" dir=\"ltr\"\u003e\u003cspan class=\"mw-page-title-main\"\u003eSea ice\u003c/span\u003e\u003c/span\u003e",
"extract": "Sea ice forms as seawater freezes. Because ice is less dense than liquid water, it floats on the ocean\u0027s surface. Sea ice covers about 7% of the Earth\u0027s surface and about 12% of the world\u0027s oceans. Much of the world\u0027s sea ice is enclosed within the polar ice packs in the Earth\u0027s polar regions: the Arctic ice pack of the Arctic Ocean and the Antarctic ice pack of the Southern Ocean. Polar packs naturally undergo significant yearly cycling, reaching their greatest surface extent in winter and retreating in summer.",
"extract_html": "\u003cp\u003e\u003cb\u003eSea ice\u003c/b\u003e forms as seawater freezes. Because ice is less dense than liquid water, it floats on the ocean\u0027s surface. Sea ice covers about 7% of the Earth\u0027s surface and about 12% of the world\u0027s oceans. Much of the world\u0027s sea ice is enclosed within the polar ice packs in the Earth\u0027s polar regions: the Arctic ice pack of the Arctic Ocean and the Antarctic ice pack of the Southern Ocean. Polar packs naturally undergo significant yearly cycling, reaching their greatest surface extent in winter and retreating in summer.\u003c/p\u003e",
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"extract": "Pituffik Space Base, formerly Thule Air Base, is a United States Space Force base located on the northwest coast of Greenland in the Kingdom of Denmark under a defense agreement between Denmark and the United States.",
"extract_html": "\u003cp\u003e\u003cb\u003ePituffik Space Base\u003c/b\u003e, formerly \u003cb\u003eThule Air Base\u003c/b\u003e, is a United States Space Force base located on the northwest coast of Greenland in the Kingdom of Denmark under a defense agreement between Denmark and the United States.\u003c/p\u003e",
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"description": "Undesirable presence of radioactive substances",
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"extract": "Radioactive contamination, also called radiological pollution, is the deposition of, or presence of radioactive substances on surfaces or within solids, liquids, or gases, where their presence is unintended or undesirable.",
"extract_html": "\u003cp\u003e\u003cb\u003eRadioactive contamination\u003c/b\u003e, also called \u003cb\u003eradiological pollution\u003c/b\u003e, is the deposition of, or presence of radioactive substances on surfaces or within solids, liquids, or gases, where their presence is unintended or undesirable.\u003c/p\u003e",
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"text": "A B-52 bomber carrying four nuclear weapons crashed onto sea ice near Thule Air Base, Greenland, causing localized radioactive contamination.",
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"text": "A B-52 bomber carrying four nuclear weapons crashed onto sea ice near Thule Air Base, Greenland, causing localized radioactive contamination.",
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