This is Part 3 of a five-part series on semiconductor demand in the age of AI warfare. Part 2 covered the memory demand layer beyond GPUs.
A War Run on Consumer Electronics
Before Ukraine, the prevailing model for military hardware was: expensive, specialized, rare. A single M1A1 Abrams tank costs roughly $10 million. An F-35 costs $80-100 million. These systems are designed to be decisive and durable; their high unit cost is justified by their strategic leverage.
The Russia-Ukraine war has introduced a different paradigm.
Ukraine is deploying first-person-view (FPV) drones at a production rate now estimated at hundreds of thousands per year, at a unit cost of $200-$500 each. These are essentially commercial racing drones — built with off-the-shelf components, assembled at small workshops across Ukraine, and flown to target by operators with video game controllers. Their lethality per dollar is extraordinary.
The military establishment found this confusing at first. The drone community and the semiconductor industry found it clarifying: the future of ground warfare depends on mass-producing consumer electronics at defense scale.
What Is Inside an FPV Drone
An FPV drone is a flying semiconductor stack.
The core bill of materials for a combat FPV drone includes:
Microcontroller (MCU): The flight controller — typically a 32-bit ARM-based MCU from STM32, Renesas, or similar — handles stabilization, motor control, and telemetry. Unit cost: $2-10.
Image sensor: The camera used for FPV navigation and, increasingly, target recognition. Consumer-grade image sensors from Sony (Sony Semiconductor Solutions) are widely used in commercial drones and increasingly in military derivatives. Unit cost: $20-80.
Radio frequency (RF) modules: Communications between drone and operator, and between drone and GPS signals. Murata Manufacturing and TDK supply RF components including SAW filters and module antennas into consumer drones globally. Unit cost: $5-20.
Power management ICs: Battery management, motor driver ICs, and DC-DC converters control the energy flow from the lithium battery to the motors. Rohm Semiconductor is a significant supplier of power management ICs into robotics and drone applications. Unit cost: $3-15.
NAND flash (optional): Higher-end models include onboard storage for flight logging, AI-assisted targeting, or encrypted mission parameters. Unit cost: $5-20 depending on capacity.
At 100,000 units per month — a conservative estimate for the combined Ukrainian military-industrial complex — this represents a semiconductor demand stream of $35-165 million per month at the drone level alone. The actual market is larger when you include the R&D programs, countermeasure systems, and drone-defense systems running parallel to offensive development.
The Scale Question: Why This Is Structurally Different
The critical distinction between military drone demand and traditional defense demand is what drives the unit economics.
Traditional defense procurement is cost-plus: the government specifies requirements, a defense contractor bids, and the final price reflects the full cost of engineering, manufacturing, and program management plus a margin. Semiconductor content in traditional defense systems is custom, expensive, and produced in small quantities.
FPV drones run on commodity semiconductors. The Renesas MCU that flies a combat FPV drone is the same chip family that goes into industrial robots, HVAC controllers, and automotive subsystems. There is no custom defense variant. The production volumes that keep semiconductor manufacturers investing in these chip families are driven by commercial demand — and the defense demand adds to that base.
This is the asymmetry that makes drone warfare economically devastating to the defender and economically interesting to the semiconductor investor: the attacker can source components at commercial scale; the defender must intercept at military cost.
Ukraine is producing FPV drones in the hundreds of thousands. Russia is producing them in comparable or greater numbers. Taiwan is accelerating its own drone production program. South Korea, Finland, Estonia, Poland, and several Southeast Asian nations have initiated military drone procurement programs in 2024-2025, citing Ukraine as the proof of concept.
The global FPV military drone market did not exist at meaningful scale before 2022. It is now large and growing.
The Geopolitical Multiplier
The scale of demand is multiplied by the geopolitical context.
Every government that has watched the Ukraine war has drawn the same lesson: conventional armies, armor, and artillery are insufficient without drone superiority. The force that controls the air at 50 meters altitude — the drone’s operating altitude — controls the battlefield.
This lesson has triggered procurement programs in countries that are not traditional military spenders. Taiwan’s defense ministry explicitly cited drone production as a strategic priority. Finland, which joined NATO in 2023, is scaling domestic drone manufacturing. The Gulf states, having watched the Houthi drone campaign in the Red Sea paralyze global shipping, are building countermeasure capabilities.
None of these programs show up in NVIDIA’s datacenter revenue or in the hyperscaler capex numbers that dominate semiconductor bull-bear discourse. They show up in the order books of MCU manufacturers, image sensor fabs, passive component suppliers, and power management IC vendors.
For investors focused on Japan — where several of these supply chains terminate — this is a demand signal worth tracking.
The specific Japanese companies that intersect with the drone supply chain, and how to evaluate their exposure, is the subject of Part 4.
Part 4 — “The FPV Drone Chip Stack: Which Japanese Semiconductor Companies Supply the New Battlefield” — is available here.
Source: Defense industry reports; company public disclosures | 日本語版
Disclaimer | This article is for informational purposes only and does not constitute investment advice.