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Pakistan and theUnited States have had military relations since they establisheddiplomatic relations in 1947.[1] The militaries of the two countries have had historically close ties, and Pakistan was once described as "America's most allied ally in Asia" byDwight D. Eisenhower,[2] reflecting shared interests in security and stability acrossSouth Asia,Central Asia, and parts ofEastern Europe.[3]
Initially, Pakistan cooperated closely on security matters with the United States during theCold War. However, the relationship deteriorated in the 2010s due to U.S. concerns over Pakistan's alleged support for militant groups in Afghanistan,[4] culminating in the suspension of allU.S. military aid to Pakistan.[5] In response, Pakistan has increasingly turned tomilitary cooperation with China.[6] This partnership deepened following theUnited States withdrawal from Afghanistan.[7] Pakistan has "increasingly sourced from China, especially the higher-end combat strike and power projection capabilities; and Pakistan continues to retire older U.S. and European origin platforms."[8]
In 1955, after Prime MinisterHuseyn Suhrawardy established nuclear power to ease of theelectricity crises, with U.S. offering grant of US$350,000 to acquire a commercial nuclear power plant.[9] Following this year, thePAEC signed an agreement with counterpart, theUnited States Atomic Energy Commission, where the research on nuclear power and training was started initially by the United States. During the 1960s, the U.S. opened doors to Pakistan's scientists and engineers to conduct research in leading institutions of the U.S., notablyANL,ORNL, andLLNL. In 1965,Abdus Salam went to the U.S. and convinced the U.S. government to help establish a national institute of nuclear research in Pakistan (PINSTECH) and a research reactorParr-I.[9] The PINSTECH building was designed by leading American architectEdward Durrell Stone; American nuclear engineerPeter Karter designed the reactor, which was then supplied by the contractorAmerican Machine and Foundry.[9] Years later, the U.S. helped Pakistan to acquire its first commercial nuclear power plant,Kanupp-I, fromGE Canada in 1965.[9] All this nuclear infrastructure was established by the U.S. throughout the 1960s, as part of thecongressionalAtoms for Peace program.[9]

This relationship changed afterZulfikar Ali Bhutto and democratic socialists under him decided to build nuclear weapons in response toIndia's own nuclear program.[10] In 1974, the U.S. imposed embargoes and restrictions on Pakistan to limit its nuclear weapons program.[9] The ban was lifted in early 1975, a decision that was protested by the government ofAfghanistan.[11] In the 1980s, the American concerns of Pakistan's role in nuclear proliferation eventually turned out to be valid after the exposure of nuclear programs ofIran,North Korea,Saudi Arabia andLibya.[9]
In the 1980s, the plan to recognize national security concerns and accepting Pakistan' assurances that it did not intend to construct a nuclear weapon, Congress waived restrictions (Symington Amendment) on military assistance to Pakistan. In October 1980, a high-level delegation andCMLA GeneralZia-ul-Haq travels to U.S., first meeting with former presidentRichard Nixon.[12] Although, the meeting was to discuss theSoviet invasion ofAfghanistan, Nixon made it clear he is in favor of Pakistan gaining nuclear weapons capability, while correcting that he is not in a race for the presidential elections.[12] The following year,Agha Shahi made it clear toAlexander Haig that Pakistan "won't make a compromise" on its nuclear weapons program, but assured the U.S. that the country had adopted apolicy of deliberate ambiguity, refraining itself from conducting nuclear tests to avoid divergence in the countries' relations.[12]
In March 1986, the two countries agreed on a second multi-year (FY 1988–93) $4-billion economic development and security assistance program. On October 1, 1990, however, the United States suspended all military assistance and new economic aid to Pakistan under thePressler Amendment, which required that the President certify annually that Pakistan "does not possess a nuclear explosive device."
India's decision to conduct nuclear tests in May 1998 and Pakistan's response set back US relations in the region, which had seen renewed US interest during the second Clinton Administration. A presidential visit scheduled for the first quarter of 1998 was postponed and, under the Glenn Amendment, sanctions restricted the provision of credits, military sales, economic assistance, and loans to the government.[13]
Since 1998, the governments of both countries have been engaged in an intensive dialogue on nuclear nonproliferation and security issues. The first meeting took place in 1998 betweenForeign SecretaryShamshad Ahmad andDeputy Secretary of StateStrobe Talbott to discuss the issues focusing onCTBT signature and ratification,FMCT negotiations,export controls, and anuclear restraint regime.[14] TheOctober 1999 overthrow of the democratically elected Sharif government triggered an additional layer of sanctions under Section 508 of the Foreign Appropriations Act which includes restrictions on foreign military financing and economic assistance. US Government assistance to Pakistan was limited mainly to refugee and counter-narcotics assistance."[15] At the height of the nuclear proliferation case in 2004,PresidentGeorge Bush delivering a policy statement at theNational Defense University, President Bush proposed to reform theIAEA to combat the nuclear proliferation, and said: "No state under investigation for proliferation violations should be allowed to serve on the IAEA Board of Governors – or on the new special committee. And any state currently on the Board that comes under investigation should be suspended from the Board."[16]
Bush's proposal was seen as targeted against Pakistan, which had been an influential member of IAEA since the 1960s and served on theBoard of Governors; it did not receive attention from other world governments. In 2009, Pakistan came under fire for repeatedly blocking theConference on Disarmament (CD) from holding negotiations on proliferation and disarmament issues after over a decade of inaction, despite severe pressure from major nuclear powers.[17] TheChairman Joint Chiefs GeneralTariq Majid justified Pakistan's defiance and outlined the fact thatatomic deterrence against a possible aggression was a compulsion, and not a choice for Pakistan.[18] He further justified that "a proposedfissile material cutoff treaty would target Pakistan specifically.[19]
In the late 2000s, the United States provided nearly $100 million (USD) in material and training assistance to the Pakistani military to guard its nuclear material, warheads, and weapon-testing laboratories.[20] The assistance program, maintained through theUnited States Department of Defense (DoD) and Pakistan'sMinistry of Defence (MoD), included supplyingnight-vision devices, helicopters, and nuclear detection equipment.[20] With the United States' assistance, Pakistan established theNational Command Authority (NCA) on the line of U.S.National Nuclear Security Administration (NNSA) and used its Megaport Program atPort Qasim in Karachi to deploy the radiation monitoring and imaging equipment, monitored by a Pakistani central alarm station.[21] In 2007, the United States offered thePermissive Action Link (PAL) technology for locking its nuclear devices, which Pakistan turned down— possibly because it feared the secret implanting of "dead switches".[22]
According to the U.S. defense officials, Pakistan has developed its own technology based on the PAL technology, and the U.S. military officials have stated they believe Pakistan's nuclear arsenal to be well secured.[23][24]
In addition, the Department of Energy'sFederal Protective Forces (ProFor) has provided training to its Pakistani counterpart, theStrategic Plans Division Force (SPD Force) at its "Pakistan Centre of Excellence for Nuclear Security (PCENS)" that was also modeled on ProFor.[25][26][27]
On December 10, 2012, theAssistant Secretary for Arms Control, Verification, and ComplianceRose Gottemoeller and Additional Secretary for United Nations and Economic Coordination Aizaz Ahmad Chaudhry co-chaired the Pakistan-U.S. Security, Strategic Stability, and Nonproliferation (SSS&NP) Working Group in Islamabad. Gottemoeller traveled to Pakistan after formerIndian Foreign SecretaryShyam Saran wrote in an article that Pakistan had moved its nuclear doctrine fromminimum deterrence tosecond strike capability and expanded its arsenal to include tactical weapons that could be delivered by short-range missiles like theHatf-IX.[28] The meeting ended with an agreement on continuing dialogue on a range of issues related to the bilateral relationship, including international efforts to enhance nuclear security and peaceful applications of nuclear energy.[29]
During thewar on terror in Afghanistan, the Pakistani administration under then-PresidentPervez Musharraf, made its army airbases and Air Force bases available to the United States military, which were used mainly for logistics, intelligence gathering, and relief efforts.[30][31][32] In 2017, then-Prime MinisterShahid Khaqan Abbasi said that there were no longer American military bases in Pakistan.[33]
| Base | Location | Use |
|---|---|---|
| PAF Camp Badaber | Badaber,Khyber-Pakhtunkhwa | Formerly known as the Peshawar Air Station, this was a formerU.S. Air Force Security Service listening post, used by the 6937th Communications Group from 17 July 1959 until its closure on 7 January 1970. The base was used for intelligence gathering operations and radio transmission intercepts relating to theSoviet Union and the Eastern bloc under Russian management At one point, there were 800 personnel and 500 supporting staff stationed at the base.[34] The U.S. Air Force pilot CaptainGary Powers, who was shot down and captured in the Soviet Union during the1960 U-2 incident, took off from this base for his spy mission. |
| Shamsi Airfield | Washuk,Balochistan | A private airfield leased by theAbu Dhabi royal family for hunting trips to Pakistan. The UAE, under Pakistani government authorization, sub-leased it to theCentral Intelligence Agency andUnited States Air Force (USAF) on 20 October 2001.[35] The base was exclusively used to conduct drone operations in northwest Pakistan, and housed several U.S. military personnel. A civilian contractor,Blackwater (now Constellis), was also involved in these operations.[36] The CIA and USAF jointly developed the airfield, resurfacing the asphalt runway and constructing facilities, including threehangars for housing drones and buildings for support and residential purposes. After theRaymond Allen Davis incident, the United States ceased its drone operations from Shamsi in 2011. However, it continued using the airfield for logistics and emergency landings.[37] In November 2011, Pakistan ordered the eviction of U.S. personnel from the airbase in response to theSalala incident, which heightened diplomatic tensions. Subsequently, the U.S. ceased its use of the base.[38] |
| PAF Base Shahbaz | Jacobabad,Sindh | Located in northern Sindh near the border with Balochistan, the U.S. military had exclusive use of the airbase since at least 2002 to coordinate operations in Afghanistan.[31] The base was also originally used for CIAdrone operations in northwest Pakistan. According to sources, CIA drones were operated from this base "for some years". In 2001, around 250U.S. Marines were stationed here for search-and-rescue operations.[39] As of 2010, around 50 American military personnel were stationed there in an inner cordon "US-only area" while the outer protective layer was under Pakistan Army control.[30] |
| Dalbandin Airport | Dalbandin,Balochistan | A public airport used by the U.S. since at least 2002 as a base to supportOperation Enduring Freedom in Afghanistan.[31] The base was used to aid logistical support and intelligence operations in Afghanistan. It was also used as a refueling base for U.S. helicopters.[40] |
| Pasni Airport | Pasni,Balochistan | A commercial airport used by the U.S. since at least 2002 to support Operating Enduring Freedom in Afghanistan.[31] During early 2002, over a dozen U.S. military helicopters were stationed at Pasni. As of July 2006, the airport was still under the use of U.S. forces, withU-2 reconnaissance aircraft stationed here.[41] |
| PAF Base Nur Khan | Chaklala,Rawalpindi,Punjab | A base with permanent U.S. military presence, used for handling U.S. logistics and movements in relation to the war in Afghanistan. After the2005 Kashmir earthquake, 300 American troops as well as U.S. aircraft were deployed here to aid inrelief efforts.[30] |
| PAF Base Samungli | Quetta,Balochistan | Previously used for US military logistical operations in Afghanistan. The base did not feature a permanent presence, although thePentagon is said to have been provided access to use the base "as and when".[30] |
| Tarbela Ghazi Airbase | Haripur,Khyber Pakhtunkhwa | APakistan Army Aviation Corps airbase. An anonymous source described the facility as a "big helipad".[30] During the2010 Pakistan floods, U.S.CH-46 Sea Knight,CH-47 Chinook andUH-60 Black Hawk helicopters were stationed here for relief efforts.[42] |
| PAF Base Peshawar | Peshawar,Khyber Pakhtunkhwa | Occasionally used by U.S. forces as transit point while deploying to other locations.[30] |
| Naval Base Karachi | Karachi,Sindh | Occasionally used by U.S. forces as transit point and logistics depot for material awaiting Afghanistan transfer.[30] |
Between 2004 and 2018, the United States militaryattacked thousands of targets in northwest Pakistan using unmanned aerial vehicles (drones) operated by the United States Air Force under the operational control of theCentral Intelligence Agency. Most of these attacks were on targets in the Federally Administered Tribal Areas (now part of theKhyber Pakhtunkhwa province) along theAfghan border in northwest Pakistan.[43]

The military establishments of the two countries have cooperated to take action against militant groups involved in the wars inAfghanistan andBosnia, although there is no consensus on issues such asdealing with the Taliban.[44] ThePakistan Army andPakistan Air Force regularly engage in joint exercises with their American counterparts, while thePakistan Navy and thePakistan Marines were the second most consistent participants inCombined Task Force 150 andCombined Task Force 151 after theUnited States Navy as of 2019.[45]
Since 1956, U.S. military personnel have served in the Pakistani military as military advisers, and Pakistani military cadets have consistently attended coveted U.S. military academies and war colleges.[46] After the Trump administration first prevented Pakistan's access to theInternational Military Education and Training (IMET) plan, the U.S. military later claimed to be restarting the program with the Pakistani military,[47] but it has not been restored due to the COVID-19 pandemic and growing relations between the country and China.[48]
In 2022, the United States conducted acombat control parameters exercise with Pakistan—Exercise Falcon Talon.[49] This was the first military exercise between the United States Air Force and the Pakistan Air Force since 2019.[49]
Pakistan's efforts to improve relations with the United States have been hindered by both the country'sconflict with India and itsclose relationship withChina.[50][51][52] The trust deficit between the United States and Pakistan has grown increasingly severe in recent years, with Pakistan significantly reducing its reliance on past U.S. economic and military aid by establishing strategic partnerships with other world powers such as China.[53] TheUS Commerce Department'sBureau of Industry and Security (BIS) has added several Pakistani companies to US trade blacklists for their involvement inmissile andnuclear activities, making it difficult for these companies to do business internationally.[54]
Under thefirst Trump administration, the U.S. State Department accused Pakistan of failing to respond to terrorist networks operating on its soil, and terminated all military aid to Pakistan.[55]
In April 2024, Pakistan protested U.S. sanctions imposed on four Chinese firms over allegations of involvement in Pakistan's ballistic missile program.[56]
Pakistan has faced allegations of granting China access to U.S. military technology on multiple occasions. In the early 1990s, U.S. intelligence officials reported that Pakistan had secretly transferred American-madeStinger missiles—originally supplied during the 1980s for Afghan Mujahideen fighting Soviet forces—to China, potentially enabling reverse-engineering or development of countermeasures. Pakistani officials denied the claims, but the incident raised U.S. concerns about the proliferation of advanced weapons. In 2011, following the U.S. raid that killed Osama bin Laden, reports suggested Pakistan may have allowed Chinese officials to examine the wreckage of a stealth-modifiedBlack Hawk helicopter that crashed during the operation. Despite efforts to destroy the aircraft, part of the tail remained intact. Media outlets, citing U.S. officials, reported Chinese access had “probably” occurred, though conclusive evidence was lacking. Former U.S. counter-terrorism advisor Richard Clarke stated that Pakistan routinely seeks to offer strategic value to China, and any shared stealth technology would have been a “welcome gift” to Beijing.[57][58]
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President Dwight D. Eisenhower famously called Pakistan America's "most allied ally in Asia."
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