plutonium trigger การใช้

• For 40 years, Rocky Flats manufactured plutonium triggers for nuclear weapons.
• The Pentagon disputes reports that the plutonium trigger WAS on the weapon.
• Workers who fashioned plutonium triggers in the building were among those who watched it come down.
• Rocky Flats made plutonium triggers for nuclear weapons until production was shut down after the 1989 raid.
• Rocky Flats made plutonium triggers for thermonuclear bombs until 1989, when it was shut down for numerous safety problems,
• The bombs, known as " plutonium triggers " or " pits, " are used in thermonuclear warheads.
• Rocky Flats, which once made plutonium triggers for thermonuclear bombs, was shut down in 1989 because of environmental and safety problems.
• And so, at the height of the Cold War, Denverites made sarin gas for chemical warfare and plutonium triggers for atom bombs.
• Rocky Flats started producing plutonium triggers in the 1950s and was closed in 1989 when chronic safety violations led to a raid by federal agents.
• Operation Desert Glow was exactly what it sounded like : a 1992 investigation of hazardous waste from a Colorado company that made plutonium triggers for nuclear warheads.
• The U . S . government plans to resume making plutonium triggers for nuclear warheads and is beginning design work on a manufacturing plant, the Energy Department said Friday.
• They also accepted only $ 11 million of the $ 23 million that the Energy Department wanted for preliminary studies for a plant to make plutonium triggers for nuclear weapons.
• During the nearly four decades that the Rocky Flats nuclear complex here made plutonium triggers for America's atom bombs, plant managers smothered the rare visitor with soothing safety scenarios.
• An even more expensive cleanup, costing around $ 7 billion, is under way in a northwest Denver suburb where plutonium triggers for America's atom bombs were made until 1989.
• Rocky Flats, 15 miles ( 24 kilometers ) northwest of Denver, produced plutonium triggers for the nation's nuclear arsenal until it was abruptly shut down in 1989 because of safety problems.
• In 1953, the plant began production of bomb components, manufacturing plutonium triggers, or " pits ", which were used at the Pantex plant in Amarillo, Texas to assemble nuclear weapons.
• NUCLEAR-PLANT _ The Savannah River Site in South Carolina is high on the government's list as a site for a multi-billion-dollar plant to make plutonium triggers for thermonuclear bombs.
• -- $ 7.7 billion to clean up Rocky Flats, where the plutonium triggers for nuclear weapons were made until 1989 . The latest estimate is up from $ 7.3 billion in 1998.
• Water that passed through nuclear reactors _ the engines that played the first key role in transforming mined uranium into the plutonium triggers _ cooled briefly in the open air before passing back into the Columbia River still mildly radioactive.
• Rocky Flats, situated on the edge of the foothills outside Denver, made plutonium triggers from the 1950s until 1989 . The Energy Department complex is being cleaned up and officials hope to turn it into a wildlife refuge by 2006.