Opinion
Cheap drones, expensive lessons
The rise of cheap, rapidly evolving drone warfare - from fiber-optic control to mass production - is reshaping the battlefield faster than traditional militaries can adapt, forcing a rethink of how advantage is built and sustained.
In recent days, fighting in northern Israel has again taken a painful toll. An Israeli soldier was killed and others were wounded in an incident involving explosive drones. These events are not isolated. They reflect a growing pattern that challenges existing assumptions about defense and preparedness.
At first glance, this appears to be a tactical issue, but focusing only on immediate gaps misses a deeper structural shift in how military advantage is created. The war in Ukraine makes this clear: advantage is no longer defined only by advanced technology, but by the pace of learning, adaptation, and production. FPV drones, originally developed for civilian use, illustrate this transformation. They are widely available, relatively simple to operate, and inexpensive, yet capable of delivering effects that once required far more complex and costly systems.
But the real disruption is not just the drone itself; it lies in the industrial model behind it. In Ukraine, both sides produce FPV drones at scale, hundreds of thousands to millions annually, through decentralized and adaptive systems that rely heavily on civilian supply chains. This is not a traditional defense industrial base but a hybrid ecosystem combining civilian innovation with wartime urgency, where manufacturing capacity, rapid adaptation, and efficient sourcing are as critical as technological sophistication. As a result, supply chains have become a strategic factor, and Western systems, despite technological advantages, often struggle to match the cost efficiency and production speed seen in China.
At the same time, the battlefield has become a continuous testing ground. Systems are deployed, evaluated, modified, and redeployed in rapid cycles. Innovation is no longer linear. It is immediate, iterative, and driven by operational feedback.
One of the most important recent adaptations has been the shift to fiber-optic control. Instead of relying on radio signals that can be detected or jammed, these drones are connected to the operator through a thin fiber-optic cable that unspools as they fly. This creates a direct, secure communication link that is largely immune to electronic warfare. What began as an effective defense, jamming, quickly lost much of its relevance. This is not just a technical modification; it is an evolutionary step. Each countermeasure generates a response, and systems are redesigned accordingly. The result is a continuous cycle of adaptation, where even widely deployed defenses can become obsolete in a very short time.
The impact is immediate. Areas of the battlefield that once allowed limited maneuver have become extremely dangerous, even inaccessible, for human forces. This is accelerating the use of ground robotic systems, not as a niche capability but as an operational necessity.
Ukraine is already demonstrating this shift. In one case, an unmanned ground system held a position for over 45 days. In another, positions were taken using only unmanned systems, without exposing soldiers to direct risk. President Zelensky noted that robotic systems have been used more than 22,000 times to reduce danger to human fighters. This is not just a technological evolution. It is a change in how force is applied.
In addition, because these drones are widely available to civilians, what begins as a battlefield advantage can quickly be adapted for terrorist or criminal use, evolving into a broader security and economic challenge.
All of these points lead to the same conclusion. We are operating within an ongoing arms race defined not only by technology, but by speed. In this environment, any advantage is temporary. Even the most effective solution buys time, not dominance. It is quickly studied, adapted to, and countered. Maintaining an edge is not about a single breakthrough, but about sustaining continuous change.
This has very concrete implications for Western countries, and for Israel in particular. For years, military advantage was built on technological superiority and limited production of high-end systems. Today, the battlefield rewards speed: the ability to identify threats and opportunities early and move quickly from development to production and deployment. This requires accelerating processes within the Ministry of Defense and the military, and relying more on off-the-shelf technologies and small, agile startups alongside traditional defense players. Israel is strong in innovation, but less optimized for rapid iteration and mass production under operational pressure, while supply chains have become a strategic vulnerability rather than just a logistical concern.
At the same time, this is only a transition. The next phase is already emerging: autonomous robotic systems that operate with increasing independence, reducing the need for constant human control and enabling sustained operations in high-risk environments. The shift is from individual tools to coordinated, scalable systems.
The core challenge is not just technological. It is conceptual. The question is whether systems are built to evolve continuously or designed to become obsolete. In this environment, falling behind will not be slow - it will be fast. The advantage will belong to those who build the capacity to learn, adapt, and change in time.
Dr. Liran Antebi is Vice President of Strategy at SHIFTERS and a Senior Researcher at the Yuval Ne’eman Workshop for Science, Technology and Security, Tel Aviv University.
