The labs range from sprawling nuclear weapons centers to specialized research accelerators.
The case prompted the Department of Energy last year to begin tightening restrictions on the hundreds of foreign-born scientists working at its three nuclear weapons centers: Los Alamos, the Sandia National Laboratory in Albuquerque, New Mexico, and the Lawrence Livermore National Laboratory in California.
The Israeli fear of an Iranian nuclear weapon must be respected, not least because the regime intent on developing this weapon is the world's greatest center of Holocaust denial.
The pamphlet was distributed among the marchers as they moved off their trek from the gates of the Aldermaston nuclear weapons research center 60 miles southwest of London.
Vladimir V. Putin, in his first official trip since being elected president, visited a nuclear weapons design center and vowed to preserve his nation's nuclear might.
The nuclear complex was established in 1955 as a backup and competitor to Arzamas-16, the Soviet Union's first nuclear weapons design center.
Separately, the Defense Ministry confirmed a contract order worth $2.2 billion $3.59 billionoverover 10 years to a consortium including British Nuclear Fuels to manage a nuclear weapons production center.
THERE was a time say, two weeks ago -- when John C. Browne regarded the expression "trial by fire" as an apt metaphor for what he had endured as the director of the Los Alamos National Laboratory, the government's leading nuclear weapons research center.
"The more places you have them, the more opportunity there is for things to go wrong," said Coyle, formerly the deputy director of the Lawrence Livermore National Laboratory, the nuclear weapons design center in the Bay Area.
In his first official trip since being elected president, Vladimir V. Putin visited one of Russia's leading nuclear weapons design centers and vowed to preserve the nation's nuclear might.
A city official said that an assessment had determined that the fire had charred a total of 32,000 acres in and around the town, which is home to the Los Alamos National Laboratory, one of the country's most important nuclear weapon research centers.
