TOPOFF 4 Exercise Begins in Portland

Salem-News.com
October 16, 2007

PORTLAND, Ore. — From October 15th-19th, Oregon will test the ability of state and local governments to prevent, respond to and recover from an attack that uses a radiological dispersal device (RDD), commonly called a “dirty bomb.” Portland will host the exercise, which is one of the largest civilian exercises ever conducted.

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