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Weapons Tests

WORLD
June 19, 2006 | From Times Staff and Wire Reports
Efforts were underway today to get North Korea to back down from what appeared to be an imminent test-firing of a missile capable of reaching U.S. territories in the Pacific. Japanese Cabinet Secretary Shinzo Abe warned that Japan would do everything in its power short of an "appeal to arms." "Japan and the U.S.
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WORLD
June 18, 2006 | Barbara Demick, Times Staff Writer
North Korea appeared poised to test-launch today what intelligence experts contend is a new multi-stage ballistic missile that probably could not reach North America but could threaten U.S. interests in Asia. Satellite surveillance showed North Korea moving what appeared to be fuel canisters to the launch site on its remote east coast late last week in preparation.
WORLD
June 17, 2006 | From Times Wire Services
North Korea loaded booster rockets onto a launch pad and moved about 10 fuel tanks to a launch site in preparation for test-firing a long-range missile that could reach as far as the U.S. mainland, a newspaper reported here today. South Korea and the United States made the assessment after analyzing satellite images, the daily Chosun Ilbo reported, citing an unnamed high-level South Korean government official. The warhead section hasn't been loaded, the paper said.
NATIONAL
June 13, 2006 | Ralph Vartabedian, Times Staff Writer
How can scientists be sure that a newly designed hydrogen bomb would work if they never get to test it? The planned "reliable replacement warhead" is not supposed to ever be tested. The U.S. halted underground nuclear testing in 1992. So teams of physicists, chemists and engineers at Los Alamos and Lawrence Livermore national laboratories are using supercomputers and scientific instruments developed in recent years to better understand nuclear detonation. But some uncertainties remain.
NATIONAL
May 10, 2006 | From Times Wire Reports
A nonnuclear explosion expected to generate a mushroom cloud over the desert 85 miles from Las Vegas will be postponed while a federal court reviews the plan, officials said. The experiment won't be conducted earlier than June 23, said Cheri Abdelnour, a spokeswoman for the federal Defense Threat Reduction Agency. A federal lawsuit seeking to stop the blast claims that the planned 700-ton ammonium nitrate and fuel-oil bomb will kick up radioactive fallout left from nuclear weapons tests.
NATIONAL
April 9, 2006 | From Times Wire Reports
An environmental and antinuclear group is calling on federal officials to cancel plans to detonate 700 tons of explosives at the Nevada Test Site in an experiment designed to study ground motion and shock waves. Citizen Alert is one of several groups to oppose the test since a Defense Department official stirred controversy last week by saying the June 2 explosion would create "a mushroom cloud over Las Vegas." Federal officials have since retracted the statement.
WORLD
April 6, 2006 | From the Associated Press
Iran said Wednesday that it had successfully test-fired a "top secret" missile, the third in a week, state-run television reported. The report called the missile an "ultra-horizon" weapon and said it could be fired from all military helicopters and jet fighters. It gave no other details. Iran said this week that it tested a surface-to-sea radar-evading missile with remote control and searching systems, state TV reported.
WORLD
April 4, 2006 | From Times Wire Reports
Iran successfully tested its second new torpedo, the latest weapon to be unveiled during war games in the Persian Gulf that the military said were aimed at preparing the country's defenses against the United States. The torpedo, believed to be more powerful and capable of going deeper than others in Iran's arsenal, was tested in the Strait of Hormuz, a vital corridor for oil supplies.
SCIENCE
September 17, 2005 | From Times Staff and Wire Reports
Carbon-14 fallout from above-ground nuclear weapons testing in the 1950s is embedded in tooth enamel, allowing scientists to estimate age to within 1.6 years, Jonas Frisen of the Karolinska Institute in Stockholm reported this week in the journal Nature. Tooth enamel contains 0.4% carbon. Concentrations in teeth thus reflect the amount in the atmosphere when the enamel was formed. It does not work for individuals born before 1943 because their teeth formed before nuclear tests began.
WORLD
June 4, 2005 | From Times Wire Reports
Syria test-fired three Scud missiles last week, including one that broke up over Turkey, senior Israeli security officials said. The officials said the missiles, using North Korean technology and designed to carry chemical warheads, were fired May 27. In New York, Israeli Foreign Minister Silvan Shalom said the Syrian tests were "very dangerous." There was no comment from Damascus. The New York Times first reported Israel's allegations in Friday editions.
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