PAKISTAN EXPANDING NUCLEAR PROGRAM: Plant Underway Could Generate Plutonium for 40 to 50 Bombs a Year, Analysts Say

"There was no immediate reaction to the report from the Bush administration. Albright said he shared his data with government nuclear analysts, who did not dispute his conclusions and appeared to already know about the new reactor."


[link to www.washingtonpost.com]


Pakistan Expanding Nuclear Program

Plant Underway Could Generate Plutonium for 40 to 50 Bombs a Year, Analysts Say


By Joby Warrick

Washington Post Staff Writer

Monday, July 24, 2006; A01


Pakistan has begun building what independent analysts say is a powerful new reactor for producing plutonium, a move that, if verified, would signal a major expansion of the country's nuclear weapons capabilities and a potential new escalation in the region's arms race.

Satellite photos of Pakistan's Khushab nuclear site show what appears to be a partially completed heavy-water reactor capable of producing enough plutonium for 40 to 50 nuclear weapons a year, a 20-fold increase from Pakistan's current capabilities, according to a technical assessment by Washington-based nuclear experts.

The construction site is adjacent to Pakistan's only plutonium production reactor, a modest, 50-megawatt unit that began operating in 1998. By contrast, the dimensions of the new reactor suggest a capacity of 1,000 megawatts or more, according to the analysis by the Institute for Science and International Security. Pakistan is believed to have 30 to 50 uranium warheads, which tend to be heavier and more difficult than plutonium warheads to mount on missiles.

"South Asia may be heading for a nuclear arms race that could lead to arsenals growing into the hundreds of nuclear weapons, or at minimum, vastly expanded stockpiles of military fissile material," the institute's David Albright and Paul Brannan concluded in the technical assessment, a copy of which was provided to The Washington Post.

The assessment's key judgments were endorsed by two other independent nuclear experts who reviewed the commercially available satellite images, provided by Digital Globe, and supporting data. In Pakistan, officials would not confirm or deny the report, but a senior Pakistani official, speaking on condition of anonymity, acknowledged that a nuclear expansion was underway.

"Pakistan's nuclear program has matured. We're now consolidating the program with further expansions," the official said. The expanded program includes "some civilian nuclear power and some military components," he said.

The development raises fresh concerns about a decades-old rivalry between Pakistan and India. Both countries already possess dozens of nuclear warheads and a variety of missiles and other means for delivering them.

Pakistan, like India, has never signed the nuclear Non-Proliferation Treaty. One of its pioneering nuclear scientists, Abdul Qadeer Khan, who confessed two years ago to operating a network that supplied nuclear materials and know-how to Libya, Iran and North Korea.

The evidence of a possible escalation also comes as Congress prepares to debate a controversial nuclear cooperation agreement between the Bush administration and India. The agreement would grant India access to sensitive U.S. nuclear technology in return for placing its civilian nuclear reactors under tighter safeguards.

No such restrictions were placed on India's military nuclear facilities. India currently has an estimated 30 to 35 nuclear warheads based on a sophisticated plutonium design. Pakistan, which uses a simpler, uranium-based warhead design, has sought for years to modernize its arsenal, and a new heavy-water reactor could allow it to do so, weapons experts say.

"With plutonium bombs, Pakistan can fully join the nuclear club," said a Europe-based diplomat and nuclear expert, speaking on condition that he not be identified by name, after reviewing the satellite evidence. He concurred with the Institute for Science and International Security assessment but offered a somewhat lower estimate -- "up to tenfold" -- for the increase in Pakistan's plutonium production. A third, U.S.-based expert concurred fully with the institute's estimates.

Pakistan launched its nuclear program in the early 1970s and conducted its first successful nuclear test in 1998.

The completion of the first, 50-megawatt plutonium production reactor in Pakistan's central Khushab district was seen as a step toward modernizing the country's arsenal. The reactor is capable of producing about 10 kilograms of plutonium a year, enough for about two warheads.

Construction of the larger reactor at Khushab apparently began sometime in 2000. Satellite photos taken in the spring of 2005 showed the frame of a rectangular building enclosing what appeared to be the round metal shell of a large nuclear reactor. A year later, in April 2006, the roof of the structure was still incomplete, allowing an unobstructed view of the reactor's features.

"The fact that the roof is still off strikes me as a sign that Pakistan is neither rushing nor attempting to conceal," said Albright of the institute.

The slow pace of construction could suggest difficulties in obtaining parts, or simply that other key facilities for plutonium bomb-making are not yet in place, the institute report concludes. Pakistan would probably need to expand its capacity for producing heavy water for its new reactor, as well as its ability to reprocess spent nuclear fuel to extract the plutonium, the report says.

After comparing a sequence of satellite photos, the institute analysts estimated that the new reactor was still "a few years" from completion. The diameter of the structure's metal shell suggests a very large reactor "operating in excess of 1,000 megawatts thermal," the report says.

"Such a reactor could produce over 200 kilograms of weapons-grade plutonium per year, assuming it operates at full power a modest 220 days per year," it says. "At 4 to 5 kilograms of plutonium per weapon, this stock would allow the production of over 40 to 50 nuclear weapons a year."

There was no immediate reaction to the report from the Bush administration. Albright said he shared his data with government nuclear analysts, who did not dispute his conclusions and appeared to already know about the new reactor.

"If there's an increasing risk of an arms race in South Asia, why hasn't this already been introduced into the debate?" Albright asked. He said the Pakistani development adds urgency to calls for a treaty halting the production of fissile material used in nuclear weapons.

"The United States needs to push more aggressively for a fissile material cut-off treaty, and so far it has not," he said.


Special correspondent Kamran Khan in Karachi, Pakistan, and researcher Alice Crites in Washington contributed to this report.


© 2006 The Washington Post Company


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