CTBTO officials have been working to fully test the International Monitoring System designed to monitor whether any nuclear explosion activity around the world has taken place.
After North Korea announced a nuclear test in October 2006, officials say the explosion detection elements of the International Monitoring System all worked successfully. However, the on-site testing was unable to take place, the CTBTO reported.
The 2008 Integrated Field Exercise is part of an effort to test Comprehensive Nuclear Test Ban Treaty's on-site component. The CTBTO held meetings Monday before beginning the first ever on-site inspection simulation exercise on Tuesday.
"We want to see where we stand with the four elements of the verification regime," Tibor Toth, CTBTO executive secretary, said in a statement.
"The exercise will now show that the entire verification regime is working as prescribed by the CTBT."
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