Growing operational capabilities
Whilst the Global War on Terror succeeded in disrupting and degrading al-Qaeda between 2001 and 2021, the group and its affiliates have reconstituted and grown substantially since 2021, aided by the tacit support of the Afghan Taliban and other regional actors such as Iran. Al-Qaeda is now operationally far more capable than before the terrorist attacks of September 11, 2001. Two examples may be instructive.
Firstly, prior to 2001, al-Qaeda operated a small number of training camps in Afghanistan, the largest of which were Tarnak Farm near Kandahar and Zhawar Kili near Khost. There is compelling evidence from the UN that the group now operates at least 10 training camps (with some separate unconfirmed estimates anywhere from 30 to 100), as well as safe houses and other facilities. Some of these camps and facilities are former CIA and Joint Special Operations Command installations, according to a source familiar with the matter. Fighters also have access to an enormous stockpile of military assets, valued at over $7 billion, that were either transferred to Afghan National Defence and Security Forces prior to the withdrawal or left behind by foreign forces, such as 17,000 pairs of night vision devices and over 23,000 Humvees.
Estimates of the number of fighters ‘graduating’ from these camps vary widely, but recent research by Dr. Hamza Khan indicates that under al-Qaeda’s decentralised structure, almost 500 seasoned al-Qaeda commanders have slipped into Taliban and Pakistani Taliban ranks. There are over 7,000 Pakistani Taliban fighters, 1,500 Baloch separatists and thousands more linked to al-Qaeda, Islamic State Khorasan Province, the Eastern Turkistan Islamic Movement, and Jaish-ul-Adl spread out across Afghanistan. It is also noteworthy that many Hamas operatives involved in the 7 October 2023 attacks in Israel trained in Afghanistan.
Secondly, the U.S. government’s Special Inspector General for Afghanistan Reconstruction has confirmed that the U.S. government has transported at least $2.9 billion in cash to the Afghan Taliban, ostensibly for humanitarian assistance, but in fact, distributed by its leadership as it sees fit, thus potentially funding terrorist groups it is aligned with. In addition, since 2022 the United Nations has purchased and transported at least $3.8 billion into Afghanistan to fund international aid organization operations. The U.S. continues to transfer at least $40 million in cash per week to the Afghan Taliban for ‘aid’, as well as an additional $47 million per week as part of the Doha Agreement’s counterterrorism provisions. Incredibly, these payments continued during the recent U.S. Government shutdown.
Although some effort is being made to reduce elements of this funding package, the degree to which this funding continues – combined with the number of training camps and facilities highlighted above – should provide significant cause for concern. This funding is complemented by legitimate sources of revenue, such as Afghanistan’s mining sector, as well as more nefarious income streams, some of which may eventually benefit terrorist groups aligned with the Afghan Taliban.
Together, these are two brief but concerning examples of the leap in both potential external operational capabilities and funding for these terrorist groups. In addition to this in-country infrastructure that assists in training new fighters, recruits are increasingly being radicalised and recruited online, thus exponentially increasing the potential pool of new fighters, many of whom may never even need to set foot in the training camps.
Diplomatic efforts and awareness campaigns
In recent years, Western intelligence and diplomatic institutions have focused their resources on other priorities such as Russia, China, great-power competition and the ongoing tensions between Israel and its neighbours, arguably have overcorrected away from counterterrorism to these other priorities.
There is, however, some cause for optimism, particularly in relation to recent public pronouncements by several government officials and respected commentators. Under the new leadership of Joe Kent, a former Green Beret (the U.S. Army’s Special Forces), the National Counterterrorism Center’s recent intelligence product displays a willingness to place relevant intelligence in the public domain. In addition, unclassified intelligence shared by the likes of Syed Khalid Muhammad of CommandEleven - a private intelligence firm based in Pakistan - has further raised public awareness of the ongoing threat posed by jihadi terrorist groups.
As it pertains to the UK threat environment, a recent speech by MI5 Director General Ken McCallum warned that “al-Qaeda and Islamic State are once again becoming more ambitious, taking advantage of instability overseas to gain firmer footholds. They are both personally encouraging and indirectly inciting would-be attackers in the West”. U.S. Director of National Intelligence Tulsi Gabbard also recently stated that “Islamist terrorism continues to pose the greatest – both short- and long-term – threat to the American people, freedom and Western civilization”. These pronouncements may serve as an inflection point – collectively, they will serve to raise awareness of transnational jihadi terrorist groups that many observers had forgotten about or at least thought posed no credible threat.
In addition, U.S. diplomats regularly engage with the Afghan Taliban government on matters of mutual concern, including the future of Bagram Air Base, while the Afghan Taliban itself has conducted extensive diplomatic outreach, including persuading Russia to formally recognise it as the legitimate government of Afghanistan. On 2 October 2025, India restored its diplomatic presence in Kabul, paving the way for formal recognition of the Afghan Taliban – although this decision may be more about safeguarding its own national interests by antagonising and weakening Pakistan than building relations with the Afghan Taliban.
At a military level, Pakistan has recently conducted strikes again Pakistani Taliban facilities in the Afghanistan-Pakistan border region, an indication that it has lost patience with its neighbour in failing to combat terrorism. Meanwhile, resistance groups such as the National Resistance Front, led by Ahmad Massoud (whose father Ahmad Shah Massoud fought against the Taliban until he was assassinated two days before 9/11) and the Afghanistan Freedom Front have vowed to liberate Afghanistan, but their lack of co-ordination or unified command hinders their progress in becoming a new Northern Alliance, the coalition of militias who opposed the Taliban between 1992 and 2001.
Conclusion
The growing and potent threat emanating from Afghanistan is greatly underestimated. Unfortunately, despite diplomatic and other efforts to raise awareness of the threat, local communities, law enforcement and intelligence agencies allocate their limited resources to other priorities. As a former UK ambassador to a neighbouring country to Afghanistan remarked in a conversation with the author, “This is not your father’s Afghanistan. The image of a terrorist in a tunic and sandals is a misnomer. I can’t believe how far they have come. Their capabilities are infinitely greater than before 9/11 and we ignore them at our peril.”
Graham Aikin is a part-time PhD student in the Department of War Studies, King’s College London, where he is researching the resurgence of terrorist groups in Afghanistan since the 2021 withdrawal. He has studied extensively the events of 9/11, its antecedents and the subsequent ‘Global War on Terror’. His Master’s dissertation focused on the UK Investigatory Powers Commissioner’s role in overseeing the UK intelligence agencies’ treatment of detainees and the sharing of intelligence with their liaison partners.