Proxy War
A conflict in which two powers fight through somebody else's army, the standard form of great power confrontation since 1945.
A proxy war is one in which two powers fight each other through somebody else's army. They supply money, weapons, training, and intelligence, and sometimes officers, but the people dying are local. It became the standard form of great power conflict after 1945 for a simple reason: nuclear weapons made a direct war between the major states unthinkable, and this was the alternative that remained.
It is also cheap and deniable. Everyone involved can keep an embassy open in the other side's capital while shipping ammunition to people trying to kill their soldiers.
The Cold War model
The pattern was set early. In Greece from 1946 to 1949, Britain and then the United States backed the government against communist partisans supplied through Yugoslavia and Albania. Korea came closer to the real thing, with Chinese armies and Soviet pilots fighting Americans directly, and both sides working hard to keep that quiet. Vietnam ran the other way, with American troops on the ground and Soviet and Chinese equipment on the other side.
Angola after 1975 was the pure version: an MPLA government with Soviet weapons and tens of thousands of Cuban troops against UNITA rebels backed by South Africa and the CIA, in a war that outlived the Cold War by more than a decade.
Afghanistan was the largest. From 1979 the CIA and Saudi Arabia funded the Afghan resistance to the Soviet occupation, running the money and the weapons through Pakistan's intelligence service, which decided which factions received them. Stinger missiles arrived in 1986 and made Soviet helicopters unusable at low altitude. It worked. It also demonstrated the permanent problem with proxies: Pakistan spent the money on the groups it wanted for its own reasons, the weapons and networks stayed in the region long after the Soviets left, and the sponsors had far less control over the outcome than they believed.
Now
Iran runs the most developed proxy network in the world, built deliberately after 1979 because it could not match its rivals conventionally. Hezbollah in Lebanon, militias in Iraq, the Houthis in Yemen, and support for Palestinian factions gave Tehran the ability to threaten Israeli and American interests without a return address. The wars since 2023 have also shown the limits of the model: proxies can be destroyed, and the sponsor may decide not to save them.
Syria after 2011 had American-backed, Turkish-backed, Gulf-backed, Russian-backed, and Iranian-backed forces in one country, several of them fighting each other rather than the government. Yemen has been a Saudi and Emirati war against a Houthi movement armed by Iran.
Russia calls the war in Ukraine a NATO proxy war, and that label is doing political work. Western states supply the weapons and the intelligence, which is real. But the defining feature of a proxy is that the sponsor picks the fight and steers the strategy, and Ukraine chose to resist an invasion of its own territory and has repeatedly acted against its suppliers' advice. Calling a country a proxy is usually a way of denying that it decided anything for itself.
The catch
Proxy wars are attractive because they contain escalation, and dangerous for exactly the same reason. They let both sponsors pretend they are not at war, which removes the pressure to negotiate and lets conflicts run for decades. They are also very hard to switch off, because the local forces have their own aims and no reason to stop when their sponsors lose interest. Afghanistan, Angola, Somalia, and Yemen all outlasted the great power quarrels that paid for them.