Pakistan has 170 nuclear warheads, and may increase it to 200 by 2025, say American atomic scientists

Pakistan currently has an estimated 170 nuclear warheads, which could increase to around 200 by 2025. The estimate comes from American nuclear scientists who used open-source materials, satellite imagery, and other sources to gather data.

Livemint
First Published15 Sep 2023, 12:30 PM IST
A Pakistan flag is seen hoisted in this file photograph taken in June 1998 on the Chaghi mountain after a nuclear test in May 1998. Photo: Reuters<br />
A Pakistan flag is seen hoisted in this file photograph taken in June 1998 on the Chaghi mountain after a nuclear test in May 1998. Photo: Reuters

Top American nuclear scientists have estimated that Pakistan currently possesses roughly 170 nuclear warheads, and this number could potentially increase to approximately 200 by the year 2025, based on the current rate of expansion.

As reported by PTI citing the Nuclear Notebook column published in the Bulletin of the Atomic Scientists on September 11, “We estimate that Pakistan now has a nuclear weapons stockpile of approximately 170 warheads. The US Defense Intelligence Agency projected in 1999 that Pakistan would have 60 to 80 warheads by 2020, but several new weapon systems have been fielded and developed since then, which leads us to a higher estimate.”

The Nuclear Notebook is a feature produced by the team at the Federation of American Scientists' Nuclear Information Project. It is authored by Project Director Hans M. Kristensen, Senior Research Fellow Matt Korda, and Research Associate Eliana Johns. Notably, the Nuclear Notebook column has been a regular publication in the Bulletin of the Atomic Scientists since the year 1987.

"Our estimate comes with considerable uncertainty because neither Pakistan nor other countries publish much information about the Pakistani nuclear arsenal,” the scientists said.

Also Read: India prioritising longer-range nuclear weapons that can reach China; Pakistan remains primary focus: Report

Due to the lack of dependable data from sources within Pakistan, the Nuclear Notebook employed a methodology that relied on a blend of open-source materials for their estimates and analytical work, PTI reported.

Their information sources encompassed both state-originating data, such as government pronouncements, declassified documents, budgetary details, military demonstrations, and treaty disclosure data, as well as non-state-originating data, including media reports, think tank assessments, and industry publications. Notably, they also made extensive use of commercial satellite imagery as part of their data sources.

"Each one of these sources provides different and limited information that is subject to varying degrees of uncertainty. We cross-checked each data point by using multiple sources and supplementing them with private conversations with officials whenever possible,” the trio said.

The Nuclear Notebook further noted that with several new delivery systems in development, four plutonium production reactors, and an expanding uranium enrichment infrastructure, Pakistan’s stockpile has the potential to increase further over the next several years.

Also Read: India, Pakistan share list of nuclear installations through diplomatic channels

"The size of this projected increase will depend on several factors, including how many nuclear-capable launchers Pakistan plans to deploy, how its nuclear strategy evolves, and how much the Indian nuclear arsenal grows. We estimate that the country's stockpile could potentially grow to around 200 warheads by the late 2020s, at the current growth rate,” the scientists said.

"But unless India significantly expands its arsenal or further builds up its conventional forces, it seems reasonable to expect that Pakistan’s nuclear arsenal will not continue to grow indefinitely but might begin to level off as its current weapons programmes are completed,” they added.

Even when the document listed fissile materials production and inventory from available sources in the public domain, the scientists put out a disclaimer: “Calculating stockpile size based solely on fissile material inventory is an incomplete methodology that tends to overestimate the likely number of nuclear warheads.”

“We estimate that Pakistan currently is producing sufficient fissile material to build 14 to 27 new warheads per year, although we estimate that the actual warhead increase in the stockpile probably averages around 5 to 10 warheads per year,” they further said.

In a comprehensive exploration of nuclear-capable aircraft and air-delivered weapons, the Nuclear Notebook provided information on a total of 36 aircraft, including Mirage III/IV and JF17s. Likewise, it offered insights into six presently operational solid-fuel, road-mobile ballistic missile systems in the category of land-based ballistic missiles.

These included the short-range Abdali (Hatf-2), Ghaznavi (Hatf-3), Shaheen-I/A (Hatf-4), and Nasr (Hatf-9), as well as the medium-range Ghauri (Hatf-5) and Shaheen-II (Hatf-6).

Also Read: India, Pakistan exchange lists of nuclear facilities, prisoners

Commenting on the 2017’s medium-range ballistic missile called Ababeel that Pakistan said is “capable of carrying multiple warheads, using multiple independent reentry vehicle (MIRV) technology,” the Nuclear Notebook observed, “Development of multiple-warhead capability appears to be intended as a countermeasure against India’s planned ballistic missile defense system. Its status remains unclear as of July 2023.”

Pointing out that the total number and location of Pakistan’s nuclear-capable missile bases and facilities remains unknown, the document said, “Analysis of commercial satellite imagery suggests that Pakistan maintains at least five missile bases that could serve a role in Pakistan’s nuclear forces.” It then went on to list the bases with its coordinates and other details, including satellite images: Akro Garrison, Gujranwala Garrison, Khuzdar Garrison, Pano Aqil Garrison and Sargodha Garrison, PTI said.

Stating how Pakistan's family of ground- and sea-launched cruise missiles is “undergoing significant development with work on several types and modifications,” the Nuclear Notebook listed details of Babur (Hatf-7) with Babur 1 and Babur 1A, Babur 2 or Babur 1B GLCM, Babur 3 and an under-development variant known as the Harbah.

Admitting that little is publicly known about warhead production, the scientists said: “But experts have suspected for many years that the Pakistan Ordnance Factories near Wah, northwest of Islamabad, serve a role. One of the Wah factories is located near a unique facility with six earth-covered bunkers (igloos) inside a multi-layered safety perimeter with armed guards.”

(With inputs from PTI)

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First Published:15 Sep 2023, 12:30 PM IST
HomeNewsworldPakistan has 170 nuclear warheads, and may increase it to 200 by 2025, say American atomic scientists

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