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Third Pakistani Nuclear Reactor Operational

Jul. 3, 2014 - 04:54PM   |  
By USMAN ANSARI   |   Comments
Pakistani Army soldiers guard nuclear-capable missiles at an exhibition in Karachi. Pakistan's third plutonium producing nuclear reactor is operational.
Pakistani Army soldiers guard nuclear-capable missiles at an exhibition in Karachi. Pakistan's third plutonium producing nuclear reactor is operational. (Asif Hassan / AFP)
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ISLAMABAD — Pakistan’s third plutonium-producing reactor is in service at its Khushab nuclear site, according to the International Panel on Fissile Materials (IPFM), and is likely to have already produced fuel.

The IPFM is “an independent group of arms-control and nonproliferation experts from both nuclear weapon and non-nuclear weapon states” and highlighted the latest developments in Pakistan’s plutonium program in a June 30 IPFM blog entry.

Using commercial satellite imagery from March 2013 and December 2013, it says the Khushab III reactor now appears operational due to water vapor rising from its cooling towers, but the Khushab IV reactor is still under construction.

It goes on to say, “If Khushab-III began operating in early 2013, the first batch of its spent fuel could have been taken out already, cooled and become available to be reprocessed in 2014 or possibly 2015.”

It bases its assessments on the three operating reactors having a power of 40-50 megawatts, in which case, operating at 50 percent capacity, they could each produce 5.7 to 7.1 kilograms of weapon grade plutonium per year.

At 80 percent capacity they could each produce 9 to 11.5 kilograms of plutonium.

Based on these calculations, IPFM estimates Pakistan has accumulated about 170 kilograms of plutonium from the Khushab I and Khushab II reactors. It claims this would suffice for approximately 35-40 warheads of 4 to 5 kilograms of plutonium per warhead.

Analyst Shashank Joshi of the Royal United Services Institute says he is wary of analyzing the figures of production capabilities based on satellite images.

Mansoor Ahmed from Quaid-e-Azam University’s Department of Defence and Strategic Studies, who specializes in Pakistan’s national deterrent and delivery programs, says this fits into a long pattern of reporting that shows Pakistan has a fast-growing arsenal but one he believes still pales in comparison to India’s.

He highlights a number of reports, including from the IPFM itself, that show India “is expanding and adding several un-safeguarded facilities in its military nuclear fuel cycle suitable for producing fissile material,” and has the world’s fastest growing nuclear program.

“These include the rare materials plant centrifuge facility; a second plutonium production reactor; and one 500 megawatt electricity experimental fast breeder reactor. In addition, four reprocessing plants of 350 thm/year [tons of heavy metal per year] are in operation, an industrial-scale 500 thm/year reprocessing plant and another large industrial scale centrifuge enrichment plant are in the pipeline along with four additional” fast breeder reactors by 2020, he said.

“As of the end of 2013, India’s fissile material stockpiles include 800-1,000 kilograms of weapon-grade plutonium from CIRUS and Dhruva-1 production reactors; 2 tons of highly enriched uranium [HEU] from RMP; and 15 tons of weapon-usable reactor-grade plutonium from its pressurized heavy water reactors [PHWRs].”

He says the significance of these cannot be underestimated.

“These stocks are outside [International Atomic Energy Agency] safeguards and are sufficient for producing about 250 warheads from weapon-grade plutonium; 40 warheads from HEU; and 1,875 warheads from reactor-grade plutonium, which was used in one of India’s 1998 nuclear tests” he said.

Additional capabilities will be added within the next three to five years, he said, that could produce another 171 kilograms of weapon-grade plutonium.

“These figures would add up with existing capacities and would allow India to produce about 100 warheads from weapon-grade plutonium and HEU each year in addition to 50 warheads from one PHWR run on low-burn up,” he said.

“Even if a fraction of the other seven PHWRs are used to produce fuel for India’s fast breeder reactors as claimed, these can still add another 137 weapons worth of fissile material each year,” he said.

“Compared to this, Pakistan’s total existing and expected annual fissile material production capacity from four Khushab plutonium production reactors is not more than 46 kilograms of weapon-grade plutonium and 100-125 kilograms of weapon-grade HEU, only sufficient for 17 warheads annually.”

Still, analyst and former air commodore Kaiser Tufail believes Pakistan is reasonably secure.

“Pakistan’s nuclear triad exploits certain peculiar advantages of each delivery system,” he said.

“Ground-based mobile missile systems allow dispersion, reducing the success probability of an enemy’s first strike. Submarine-launched missile systems allow a high degree of survivability and can be credibly used for a second strike.”

He also said that the aircraft delivery method has a flexibility beyond that of other systems.

“Air-launched bombs/missiles allow a last ditch ultimatum, as the aircraft can be recalled if the adversary backs down,” he said.

Ultimately, the issue becomes a balance of delivery systems rather than warhead type.

“The delivery systems are potent enough whether uranium or plutonium based. What is more important is the correct proportion of the three delivery systems so that a comprehensive and credible nuclear triad exists.”

Joshi is generally of the same opinion, and says that it is unclear how many small/tactical warheads Pakistan needs.

“We don’t know how many they need and for what purpose. Are they for signaling or war fighting?”

However, he said, “Pakistan will have no problem in relying on a combination of aircraft and missile delivery systems armed with the heavier uranium based warheads.” ■

Email: uansari@defensenews.com.

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