Ukrainian soldiers returning from NATO training programs in Britain or Poland sometimes discover that lessons learned abroad require immediate revision. The problem is not necessarily the quality of Western instruction, but the assumptions behind it.

Much of the alliance’s small-unit training still reflects conflicts in Iraq and Afghanistan, where Western forces enjoyed air superiority, technological advantages, and relatively reliable evacuation and resupply. Ukraine demonstrates what happens when these advantages disappear.

The modern battlefield has become almost entirely transparent, with reconnaissance drones, thermal imaging, electronic surveillance, and first-person-view (FPV) strike drones fundamentally changing infantry operations. Traditional squad formations, vehicle movements, and defensive positions can be detected and attacked within minutes.

Ukrainian units increasingly disperse into smaller groups, sometimes operating in teams of two or three rather than conventional squad formations. Concentration, once essential for command and maneuver, now creates vulnerability.

Camouflage has changed equally dramatically. Conventional netting, artificial vegetation, and improvised coverings offer limited protection against experienced drone operators, while thermal cameras expose personnel and running engines even when visual concealment appears adequate.

Managing thermal signatures and exploiting natural cover have become critical survival skills.

The electromagnetic spectrum presents another danger: radios, generators, satellite terminals, and drone control systems can reveal positions to enemy intelligence. Communications discipline is no longer merely a technical requirement but a matter of survival.

Electronic warfare has also exposed the limitations of technological dependence. Ukrainian reconnaissance operators have conducted missions with DJI Matrice-class reconnaissance drones almost entirely in manual mode because GPS jamming and spoofing make autonomous navigation unreliable.

A drone’s automatic “Return to Home” functions also cannot be trusted in heavily contested environments. Consequently, successful reconnaissance increasingly depends on individual piloting skills, terrain recognition, and visual navigation rather than satellite guidance.

Equipment losses are similarly revealing. Some operators report that small reconnaissance drones survive approximately 10 days of intensive frontline operations before requiring repairs or replacement.

Unmanned Aerial Vehicle (UAV) crews are also priority targets for artillery, mortars, and strike drones. Their operational importance makes them vulnerable to electronic detection and persistent surveillance.

Mobility presents another challenge. Civilian pickup trucks and lightly protected vehicles, which have been the workhorses of the frontline, have become particularly vulnerable to FPV drone attacks.

Get the Latest
Sign up to receive regular emails and stay informed about CEPA's work.

Accounts of soldiers abandoning moving vehicles when drones approach illustrate how dramatically battlefield transportation has changed. Traditional NATO training rarely prepares personnel for an environment where routine vehicle movement can be lethal.

Medical evacuation exposes the doctrinal gap most clearly. While Western military medicine emphasizes rapid casualty evacuation and early surgical intervention, near Ukraine’s front lines these assumptions frequently collapse.

Armored ambulances risk detection and attack, while helicopter evacuation is generally impractical. As one Ukrainian operator observed to this author, “you arrive on foot, and you leave on foot.”

Wounded personnel may require evacuation over considerable distances, sometimes taking many hours or longer than a day. Light all-terrain vehicles, unmanned ground systems and occasionally heavy drones provide alternatives, but cannot guarantee rapid access to medical facilities.

Prolonged field care, once treated as a contingency, has become an essential battlefield capability. NATO medical training must reflect this reality.

Logistics face comparable pressures, as traditional supply vehicles expose personnel to precision strikes. Ukrainian forces have responded by employing heavy-lift cargo drones and unmanned ground vehicles to deliver ammunition, water, batteries, and medical supplies.

These developments suggest future frontline logistics will depend increasingly on distributed, remotely operated systems rather than conventional transport alone.

Infantry fire support is also evolving. FPV drones can deliver precision strikes against fortified firing positions that previously required sustained machine-gun suppression or artillery use.

Conventional weapons remain indispensable, but reconnaissance and precision engagement are becoming increasingly integrated. The distinction between observation and attack is narrowing.

These developments do not mean NATO doctrine is worthless. Its principles of leadership, coordination, combined-arms operations, and disciplined execution remain essential. The problem is institutional speed.

Drone technology, electronic warfare, and battlefield countermeasures evolve within months, while military manuals, procurement systems, and training programs often take years to change.

Some NATO training missions have already incorporated Ukrainian battlefield feedback, and that progress deserves recognition, but incremental adjustments are not enough. The alliance needs a continuous process in which operational experience rapidly informs training, doctrine, equipment requirements, and procurement decisions.

For NATO’s eastern flank, particularly the Baltic states and Poland, these lessons are not theoretical. Any confrontation with a technologically capable adversary could produce similar conditions of persistent surveillance, contested communications, disrupted logistics, and restricted medical evacuation.

Ukraine’s most important lesson is therefore institutional rather than technological. Military effectiveness increasingly depends on how quickly armed forces can recognize changing conditions and translate experience into practical adaptation.

NATO has spent decades teaching others how to fight. It must now demonstrate that it can learn from those fighting Europe’s most consequential war. An alliance that updates its doctrine more slowly than its adversaries update their drones risks preparing soldiers for a battlefield that no longer exists.

Alex Sebastian Kliszewicz is an international expert in security and geopolitical risk, and founder and CEO of Iron Navy Ltd. He has a background in military service with the Estonian Defense Forces — including service in the Navy aboard minesweepers and in the Scouts Battalion as a combat engineer and medic — as well as extensive experience leading armed maritime security teams in high-risk zones and managing rapid-response units. His professional experience also encompasses providing instruction for military and private military company (PMC) training programs, as well as conducting training missions for Ukrainian military personnel.

Europe’s Edge is CEPA’s online journal covering critical topics on the foreign policy docket across Europe and North America. All opinions expressed on Europe’s Edge are those of the author alone and may not represent those of the institutions they represent or the Center for European Policy Analysis. CEPA maintains a strict intellectual independence policy across all its projects and publications.

Illustration: An defense technology assembly diagram of a LUCAS drone. Credit: Sara Boyer/Center for European Policy Analysis.
Comprehensive Report

Unleashing Defense Innovation

By CEPA International Leadership Council

Building a future-capable force.

May 5, 2026
Learn More
Europe's Edge
CEPA’s online journal covering critical topics on the foreign policy docket across Europe and North America.
Read More