The Bomb and the Drone: Two Lessons From Ukraine

In 1991, Ukraine became an independent country holding what was then the world’s third-largest nuclear arsenal. By 1994 it had agreed to give all of it up. Four and a half years into Russia’s full-scale invasion, Kyiv is still negotiating for the thing that deal never really delivered: a security guarantee it can count on.

That history holds two lessons, and they pull in opposite directions. One is about the oldest weapon of the modern age. The other is about the newest.

What Ukraine actually signed

The shorthand is that the U.S. and Russia talked Ukraine out of its nukes. The real story is more tangled. In January 1994, Washington, Moscow and Kyiv signed a trilateral statement: Ukraine would send its warheads to Russia for dismantlement and join the Non-Proliferation Treaty as a non-nuclear state, in return for security assurances and economic help. In December, the U.S., Russia and the United Kingdom signed the Budapest Memorandum, pledging to respect Ukraine’s borders and refrain from force against it.

Two details often get lost. First, the word was “assurances,” not “guarantees.” Steven Pifer, a former U.S. diplomat involved in the talks, says Washington was explicit that this did not mean sending American forces. The memorandum is a political agreement, not a treaty. Second, Ukraine hosted the warheads, but arms-control historians note that launch control ran through Moscow. Whether Kyiv could have taken operational control, and at what price, is still debated.

What isn’t debated: Russia seized Crimea in 2014 and invaded in 2022. Bill Clinton later said he feels a personal stake in Ukraine’s fate because he pushed Kyiv to disarm.

The most stabilizing and most destructive weapon

Nuclear weapons have been used in war exactly twice, in August 1945, and never since. Many analysts credit them for the absence of a full-scale war between major powers ever since. Scholars still argue over how much of that long peace belongs to the bomb rather than to trade, alliances and American power, but the deterrence case is real.

It is also narrower than it sounds. Nuclear-armed India and Pakistan fought at Kargil in 1999 and traded strikes again in May 2025. Argentina invaded the Falklands in 1982 even though Britain had the bomb. And Ukraine, with no nuclear weapons, has struck inside Russia, from the 2024 Kursk incursion to the 2025 drone attacks on Russian bomber bases, without triggering a nuclear response. What the bomb reliably protects is a state’s survival, not its safety from every attack.

That peace also rests on human judgment. In 1983, Soviet officer Stanislav Petrov judged a satellite warning of incoming American missiles to be a false alarm and did not pass it up the chain. The system held because one person doubted the machine.

The lesson other countries took

For a non-nuclear state, the message is uncomfortable. Libya gave up its weapons programs in 2003, and in 2011 NATO-backed forces helped topple Gaddafi. North Korea cites cases like that to justify keeping its arsenal. Ukraine gave up its warheads and was invaded twice.

But the cleaner lesson isn’t “get a bomb.” It’s “don’t sit in the gap.” Russia has not invaded a NATO member’s territory. Ukraine had no nukes and no alliance, and it was invaded. That’s why Finland and Sweden joined NATO after 2022, and why Zelensky said in 2024 that Ukraine’s protection must come from either nuclear weapons or NATO membership.

It’s also why security guarantees remain a core sticking point as talks revive. Last Friday, Kyiv and Moscow both confirmed plans to relaunch trilateral negotiations, with the UAE proposed as host.

The second lesson: war changed

Ukraine has held on with tools nobody planned for in 1994. Estimates put drones behind 70% to 90% of battlefield casualties. Treat those figures as directional, since most come from Ukrainian officials and are hard to verify independently. The French institute IFRI put the share at around 80% last year, up from under 10% in 2022.

AI’s role is real but specific. Many of these drones are still flown by people. What AI adds is autonomy where jamming cuts the link, and speed where humans can’t keep up. In January, Ukraine shot down a record 1,704 Shahed-type drones, about 70% of them with interceptor drones costing a few thousand dollars each. In June, Defense Minister Mykhailo Fedorov announced a system that automates 95% of the interception cycle: the operator picks the target, and the machine does the rest. Ukraine’s Defence Ministry says successful AI-guided strikes have risen tenfold since the start of 2026.

Be precise about “small and poor.” Ukraine isn’t small. At roughly 600,000 square kilometers, it’s larger than metropolitan France. It is outmatched: Russia’s economy is on the order of ten times bigger. That an outmatched country can hold a nuclear power’s army at bay owes a lot to cheap, mass-produced, increasingly autonomous systems, alongside Western money, shared intelligence and Ukrainian resolve. It is not a permanent edge, either. Russia has been launching record numbers of drones and shifting to jet-powered versions that are harder to intercept.

Hegseth: right about the direction, unproven on the purge

That brings us to Defense Secretary Pete Hegseth. On the core point, he has a case. In January he ordered the Pentagon to become an “AI-first” force, arguing that in the AI race, “speed wins.” Ukraine is the strongest evidence for that urgency.

The firings are where the argument breaks down. Hegseth has fired or blocked the promotions of more than 80 generals and admirals, according to a September tally, but there is no public evidence they were removed for resisting AI. When he pushed out Army Chief of Staff Gen. Randy George in April, two U.S. officials told Axios it was driven by clashing personalities, not disagreement over the Army’s direction. Gen. David Hodne, removed the same day, ran the command created to speed up Army technology. Hegseth hasn’t explained his decisions, and critics call the purge political. He may be right about the destination and wrong about the method.

Speed also cuts both ways. CNN reported on September 18 that in the spring, a Special Operations Command analyst used an AI chatbot that produced a false claim that a Chinese-flagged ship was carrying nuclear weapons components. Armed personnel were preparing to board before the error was caught. Officials reportedly said there is no military-wide rule requiring verification of AI-generated intelligence. A human was in the loop, but verification wasn’t. One source summed up the danger as reaching a bad idea faster.

What it means for you

Expect more countries to weigh two paths: a nuclear umbrella or a homegrown drone arsenal. Expect defense budgets to tilt toward cheap autonomous systems. And expect the tools that speed up decisions to speed up mistakes. The same discipline applies to you. The analyst’s error wasn’t using AI. It was not checking.

Our calls

A new round of formal U.S.-Russia-Ukraine talks takes place, confirmed by at least two of the three governments, by October 31, 2026. 65%
Russia and Ukraine both sign a comprehensive ceasefire or peace agreement by December 31, 2026. 10%
The Pentagon issues a military-wide requirement to verify AI-generated intelligence before it is distributed by March 31, 2027. 30%

Question everything. Including us.

The Bomb and the Drone: Two Lessons From Ukraine

What Ukraine actually signed

The most stabilizing and most destructive weapon

The lesson other countries took

The second lesson: war changed

Hegseth: right about the direction, unproven on the purge

What it means for you

Our calls

Sources

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