RDDs and REDs are similar enough to categorize together, but are very different threats.
RDD stands for Radiological Dispersal Device. These are usually a “dirty bomb”, or a conventional explosive combined with radioactive material. They are a shock and awe type weapon with lasting repercussions and damage. The perpetrators would usually claim responsibility for an RDD...
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek