Iran's military is on stand-by incase of an attack against it's nuclear
facilities by eitehr Israel or the United States. After reports that
the Pentagon has been running simulated attacks against Iran, starting
with the destruction of their nuclear plants, and the capture of ten
alledged Mossad and CIA spies Iran is taking the possibility seriously.
Iran Will Defend Nuclear Sites (BBC On-Line News; Wednesday 22nd December 2004)