The Soviet invasion of Afghanistan began on 24 December 1979, when forces of the 40th Army crossed the Amu Darya and airlifted into Kabul, culminating on 27 December 1979 in Operation Storm-333, the KGB-led assault on the Tajbeg Palace that killed President Hafizullah Amin. Moscow installed Babrak Karmal of the Parcham faction as head of the People's Democratic Party of Afghanistan (PDPA). The intervention followed the Saur Revolution of April 1978, which brought the PDPA to power, and was justified under the Friendship Treaty of December 1978 and invoked the so-called Brezhnev Doctrine of preserving socialist regimes. Leonid Brezhnev, Yuri Andropov, Dmitri Ustinov and Andrei Gromyko drove the Politburo decision, fearing Amin's instability and possible Western alignment. The UN General Assembly Resolution ES-6/2 (January 1980) condemned the intervention by 104 votes, after the USSR vetoed action in the Security Council.
The war became a defining Cold War proxy conflict. The United States, under the Carter Doctrine (January 1980) and later the Reagan Doctrine, funneled covert aid to the Afghan mujahideen through CIA Operation Cyclone, channeled via Pakistan's Inter-Services Intelligence (ISI) under General Zia-ul-Haq. Saudi Arabia matched US funding dollar-for-dollar, and China and Egypt supplied arms. The 1986 introduction of FIM-92 Stinger surface-to-air missiles neutralized Soviet air superiority. Pakistan, as a frontline state, hosted some three million Afghan refugees and became the conduit for the resistance, deepening its strategic dependence on Washington and seeding the later rise of the Taliban and transnational jihadist networks. Carter's response also included the 1980 Moscow Olympics boycott and a grain embargo.
Soviet casualties reached roughly 15,000 dead, with over a million Afghans killed and millions displaced. Mikhail Gorbachev, calling the war a "bleeding wound," sought exit through the Geneva Accords of 14 April 1988, signed by Afghanistan and Pakistan with the USSR and US as guarantors. The last Soviet troops, led by General Boris Gromov, withdrew on 15 February 1989. The PDPA government of Mohammad Najibullah survived until 1992. The war's costs accelerated the USSR's collapse, while the post-withdrawal vacuum produced civil war, the Taliban's 1996 capture of Kabul, and al-Qaeda's sanctuary — direct antecedents of the September 11 attacks and the 2001 US intervention.
For the exam, this topic spans multiple papers. In CSS Pakistan Affairs it is central to questions on the Afghan jihad, Zia-ul-Haq's foreign policy, the Geneva Accords, the refugee burden, and the "Kalashnikov and heroin culture" with its blowback for Pakistan's internal security. In UPSC and FSOT World History, it is tested as a Cold War turning point — the end of détente, the Carter and Reagan Doctrines, and the strategic overreach contributing to Soviet disintegration. Typical question angles ask candidates to evaluate the invasion's role in ending the Cold War, to assess Pakistan's frontline-state calculus, or to trace the causal chain from 1979 to contemporary terrorism. Mastery requires precise dates, named actors, and the UN and treaty instruments.
Example
In December 1979, the Soviet 40th Army stormed Kabul's Tajbeg Palace, killing President Hafizullah Amin and installing Babrak Karmal, beginning a nine-year war that ended with General Boris Gromov's withdrawal across the Amu Darya in February 1989.
Frequently asked questions
The USSR intervened to stabilize the faltering PDPA regime and remove the unpredictable Hafizullah Amin, invoking the December 1978 Friendship Treaty and the Brezhnev Doctrine of defending socialist governments. Operation Storm-333 on 27 December 1979 killed Amin and installed Babrak Karmal.