The Perilous Legacy of American Weapons in Afghanistan

Among the many factors contributing to the region's instability, the proliferation of advanced American weaponry left behind after the U.S. withdrawal in 2021 stands out as a particularly alarming issue.

The geopolitical landscape of South Asia has been profoundly shaped by the decades-long conflict in Afghanistan, a nation that has become synonymous with war, insurgency, and terrorism. Among the many factors contributing to the region’s instability, the proliferation of advanced American weaponry left behind after the U.S. withdrawal in 2021 stands out as a particularly alarming issue. The United States, during its two-decade-long military presence in Afghanistan, supplied the Afghan National Army with a staggering 427,300 military weapons. However, when U.S. forces withdrew, approximately 300,000 of these weapons were abandoned, falling into the hands of militant groups such as the Afghan Interim Government (AIG) and the Freedom Army of Khorasan (FAK). This has had dire consequences, not only for Afghanistan but also for its neighboring countries, particularly Pakistan.

The FAK, a militant group operating in the region, has been instrumental in distributing these advanced American weapons to other banned terrorist organizations, including the Baloch Liberation Army (BLA). These groups have utilized the weaponry to carry out devastating attacks against Pakistan, further destabilizing an already volatile region. The M4 Carbine rifles, grenades, and other sophisticated equipment originally intended for the Afghan National Army have now become tools of terror in the hands of militants. For instance, on December 13, 2024, Pakistani customs and security forces intercepted a vehicle crossing the border from Afghanistan, seizing a cache of modern American-made weapons concealed within sacks of onions. This incident underscores the ease with which these weapons are being smuggled across borders and used to fuel terrorism.

The implications of this weapon proliferation are far-reaching. The availability of such advanced armaments has emboldened terrorist organizations, enabling them to carry out more lethal and coordinated attacks. The BLA, for example, has used these weapons to target security forces and civilians in Pakistan, exacerbating the country’s internal security challenges. The situation has become so dire that former U.S. President Donald Trump has publicly demanded the return of these weapons, acknowledging the grave threat they pose. However, the damage has already been done, and the genie cannot be put back into the bottle.

The international community has largely turned a blind eye to this issue, despite the clear evidence of its impact on regional security. The United Nations, which has provided substantial aid to Afghanistan over the years, must now confront the reality that some of this assistance has been diverted to support terrorist activities. The FAK and other militant groups have not only used American weapons but also exploited UN aid to sustain their operations. This dual exploitation of military and humanitarian resources has created a vicious cycle of violence and instability, with no easy solutions in sight.

The situation in Afghanistan serves as a stark reminder of the unintended consequences of foreign intervention. The U.S. military’s withdrawal, while marking the end of America’s longest war, has left behind a legacy of chaos and destruction. The weapons abandoned by U.S. forces have become a symbol of this failure, highlighting the need for greater accountability and oversight in military operations. The international community must recognize that the security of one nation is inextricably linked to the stability of its neighbors. The flow of weapons from Afghanistan into Pakistan is not just a bilateral issue but a regional and global concern that demands urgent attention.

In light of these challenges, it is imperative to adopt a multifaceted approach to address the issue of weapon proliferation and its impact on regional security. The following recommendations outline potential steps that can be taken to mitigate the threat:

  • Enhance surveillance and monitoring mechanisms along the Afghanistan-Pakistan border to prevent the smuggling of weapons and other illicit materials.
  • Foster greater collaboration between regional and global stakeholders to address the root causes of terrorism and weapon proliferation.
  • Establish initiatives to recover and secure abandoned weapons in Afghanistan, with support from the international community.
  • Hold accountable those responsible for the diversion of weapons and aid to terrorist organizations, including through sanctions and legal action.
  • Implement stricter controls and monitoring of UN aid to ensure it reaches its intended recipients and is not exploited by militant groups.
  • Encourage dialogue between Afghanistan, Pakistan, and other regional actors to build trust and address shared security concerns.
  • Strengthen counter-terrorism capabilities in the region through training, intelligence-sharing, and joint operations.
  • Raise awareness about the dangers of weapon proliferation and its impact on regional stability through media and educational campaigns.
  • Invest in economic development initiatives in Afghanistan to reduce the appeal of militant groups and create alternative livelihoods.
  • Advocate for international policies that prioritize peace and security in South Asia, leveraging platforms such as the United Nations.

The situation in Afghanistan and its ripple effects on regional security underscore the importance of learning from past mistakes. The abandonment of advanced weaponry and the exploitation of humanitarian aid have created a crisis that cannot be ignored. As the world grapples with the consequences of these actions, it is crucial to adopt a proactive and collaborative approach to prevent further harm.

In the words of former U.S. President John F. Kennedy, “Mankind must put an end to war, or war will put an end to mankind.” 

Sahibzada M. Usman, Ph.D.
Sahibzada M. Usman, Ph.D.
Research Scholar and Academic; Ph.D. in Political Science at the University of Pisa, Italy. Dr. Usman has participated in various national and international conferences and published 30 research articles in international journals. Email: usmangull36[at]gmail.com