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Here's a little something to ponder: a Wall Street Journal article written just a couple of weeks after the 2008 election: "What a Single Nuclear Warhead Could Do"

Consider Iran. For the past decade, Iran -- with the assistance of Russia, China and North Korea -- has been developing missile technology. Iranian Defense Minister Ali Shamkhani announced in 2004 their ability to mass produce the Shahab-3 missile capable of carrying a lethal payload to Israel or -- if launched from a ship -- to an American city.

The current controversy over Iran's nuclear production is really about whether it is capable of producing nuclear warheads. This possibility is made more urgent by Iranian President Mahmoud Ahmadinejad's statement in 2005: "Is it possible for us to witness a world without America and Zionism? But you had best know that this slogan and this goal are attainable, and surely can be achieved."

Mr. Ahmadinejad takes seriously, even if the average Iranian does not, radical Islam's goal of converting, subjugating or destroying the infidel peoples -- first and foremost the citizens of the U.S. and Israel. Even after 9/11, we appear not to take that threat seriously. We should.

Think about this scenario: An ordinary-looking freighter ship heading toward New York or Los Angeles launches a missile from its hull or from a canister lowered into the sea. It hits a densely populated area. A million people are incinerated. The ship is then sunk. No one claims responsibility. There is no firm evidence as to who sponsored the attack, and thus no one against whom to launch a counterstrike.

But as terrible as that scenario sounds, there is one that is worse. Let us say the freighter ship launches a nuclear-armed Shahab-3 missile off the coast of the U.S. and the missile explodes 300 miles over Chicago. The nuclear detonation in space creates an electromagnetic pulse (EMP).

Gamma rays from the explosion, through the Compton Effect, generate three classes of disruptive electromagnetic pulses, which permanently destroy consumer electronics, the electronics in some automobiles and, most importantly, the hundreds of large transformers that distribute power throughout the U.S. All of our lights, refrigerators, water-pumping stations, TVs and radios stop running. We have no communication and no ability to provide food and water to 300 million Americans.

This is what is referred to as an EMP attack, and such an attack would effectively throw America back technologically into the early 19th century. It would require the Iranians to be able to produce a warhead as sophisticated as we expect the Russians or the Chinese to possess. But that is certainly attainable. Common sense would suggest that, absent food and water, the number of people who could die of deprivation and as a result of social breakdown might run well into the millions.

Far too uncomfortable to think about, much less do something about. So we as a nation in effect put our fingers in our ears and yell as loud as we can: LALALALALA! I can't hear you!

What exactly does EMP destroy?

Jumping in here.....

I know that normal commercial chips as found in PCs cannot handle radiation aboard spacecraft.....

I would suppose that EMP would deliver some type of radiation similar to that encountered by satellites...

I believe that some of the electrical equipment found in power networks is also impacted by major coronal outbursts from the Sun....

Found this:

The Effects of Nuclear Weapons - EMP radiation from nuclear space bursts in 1962

Above: USSR Test ‘184’ on 22 October 1962, ‘Operation K’ (ABM System A proof tests) 300-kt burst at 290-km altitude near Dzhezkazgan. Prompt gamma ray-produced EMP induced a current of 2,500 amps measured by spark gaps in a 570-km stretch of 500 ohm impedance overhead telephone line to Zharyq, blowing all the protective fuses. The late-time MHD-EMP was of low enough frequency to enable it to penetrate the 90 cm into the ground, overloading a shallow buried lead and steel tape-protected 1,000-km long power cable between Aqmola and Almaty, firing circuit breakers and setting the Karaganda power plant on fire.

More at the link

"Here's a little something to ponder: a Wall Street Journal article written just a couple of weeks after the 2008 election: "What a Single Nuclear Warhead Could Do"

It would require the Iranians to be able to produce a warhead as sophisticated as we expect the Russians or the Chinese to possess. "

Not true, according to this report:

U.S. Intel: Iran Plans Nuclear Strike on U.S.
Tuesday, 29 Jul 2008 09:00 AM
Iran has carried out missile tests for what could be a plan for a nuclear strike on the United States, the head of a national security panel has warned.
In testimony before the House Armed Services Committee and in remarks to a private conference on missile defense over the weekend hosted by the Claremont Institute, Dr. William Graham warned that the U.S. intelligence community “doesn’t have a story” to explain the recent Iranian tests.
One group of tests that troubled Graham, the former White House science adviser under President Ronald Reagan, were successful efforts to launch a Scud missile from a platform in the Caspian Sea.
“They’ve got [test] ranges in Iran which are more than long enough to handle Scud launches and even Shahab-3 launches,” Dr. Graham said. “Why would they be launching from the surface of the Caspian Sea? They obviously have not explained that to us.”
Another troubling group of tests involved Shahab-3 launches where the Iranians "detonated the warhead near apogee, not over the target area where the thing would eventually land, but at altitude,” Graham said. “Why would they do that?”
Graham chairs the Commission to Assess the Threat to the United States from Electromagnetic Pulse (EMP) Attack, a blue-ribbon panel established by Congress in 2001.
The commission examined the Iranian tests “and without too much effort connected the dots,” even though the U.S. intelligence community previously had failed to do so, Graham said.
“The only plausible explanation we can find is that the Iranians are figuring out how to launch a missile from a ship and get it up to altitude and then detonate it,” he said. “And that’s exactly what you would do if you had a nuclear weapon on a Scud or a Shahab-3 or other missile, and you wanted to explode it over the United States.”
The commission warned in a report issued in April that the United States was at risk of a sneak nuclear attack by a rogue nation or a terrorist group designed to take out our nation’s critical infrastructure.
"If even a crude nuclear weapon were detonated anywhere between 40 kilometers to 400 kilometers above the earth, in a split-second it would generate an electro-magnetic pulse [EMP] that would cripple military and civilian communications, power, transportation, water, food, and other infrastructure," the report warned.
While not causing immediate civilian casualties, the near-term impact on U.S. society would dwarf the damage of a direct nuclear strike on a U.S. city.

More: http://newsmax.com/Newsfront/iran-nuclear-plan/2008/07/29/id/324724