Sat, Dec 29, 2007 - Page 9 News List

Nuclear reactors: boon or bane?

By Bennett Ramberg

Nuclear facilities as military targets? The drumbeat appears to be growing louder. Western leaders repeatedly declare that no option is off the table to stem Iran's nuclear ambitions. And London's Sunday Times reported last month that Israel put defenses around its Dimona nuclear reactor on "red alert" 30 times as worries grew that Syria would avenge Israel's September attack on a suspected nuclear site in Syria.

Israel's fear reflects the region's unique history. Since World War II, strikes to halt nuclear activities have taken place exclusively in the Middle East: Iraq was struck by Iran (1980), Israel (1981) and the US (1991, 2003), while Iraq bombed Iran (1984 to 1987) and Israel (1991). But raids never generated significant radiological consequences, because plants were under construction, contained inconsequential amounts of nuclear material, had radioactive elements removed prior to the attack, or because the attacker missed the mark.

A successful strike on Dimona, however, would be another matter. So, given the threat of radioactive releases, does the plant's continued operation outweigh the risks?

Dimona is unique. It is the region's largest nuclear plant and sole producer of atomic weapons materials. Since it went into operation in the mid-1960s, it has generated elements for an estimated 200 nuclear weapons. Israel's first prime minister, David Ben Gurion, inaugurated the enterprise to compensate for Israel's strategic vulnerability, a fledgling army and the West's unwillingness to enter into a formal alliance to defend the Jewish state.

Dimona is no Chernobyl. It generates only about 5 percent of that failed Soviet reactor's power. Still, the plant -- along with its spent nuclear fuel, extracted plutonium and nuclear reprocessing waste -- poses significant radiological hazards that a military strike could disperse into the environment.

Israeli officials tacitly acknowledge the risk. Authorities have distributed potassium iodide tablets to the nearby towns of Yerham, Dimona and Aruar. Potassium iodide blocks thyroid absorption of radioactive iodine, an early risk in a nuclear release. But it would not obstruct serious health consequences from other radioactive elements. And, depending on weather and the nuclear discharge, the radioactive consequences may not remain localized.

Light contamination and hot spots could impact Israeli, Palestinian and Jordanian urban centers some distance away. Beyond health effects, contamination could terrorize affected populations, prompting temporary flight and permanent relocation. Serious, long-term economic consequences would follow.

For decades, Israel dealt with this risk through effective air defenses and disdain for its adversaries' ability to strike Dimona. In May 1984, after I authored a book about the consequences of military attacks on nuclear facilities, an Israeli intelligence officer came to California to question me about the vulnerability of the reactor and a proposed nuclear power plant. The officer belittled the risk, arguing that no Arab air force had ever overcome Israeli air defenses, and none ever would.

At that time, history provided odd support. Although Egyptian reconnaissance aircraft had flown near Dimona in 1965 and 1967 without incident, during the 1967 war, Israel shot down one of its own Mirage jet fighters when it strayed over the facility. In 1973, Dimona's defenders downed a wayward Libyan civilian airliner heading for the reactor, killing 108 people.

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