WASHINGTON — UkraineView analysis. A U.S. Department of Defense study of lessons from the Russia-Ukraine war concludes that electronic warfare, drone operations, GPS disruption and the speed of modern targeting are forcing militaries to rethink how precision weapons and battlefield information are used.
The study, A Long, Hard Year: Russia-Ukraine War Lessons Learned 2023, was published through the Department of Defense in January 2026. Among its recommendations is a stronger integration of intelligence, counter-electronic-warfare capabilities and unmanned systems into U.S. strike operations.
GPS can no longer be treated as guaranteed
Modern Western weapons and communications have long benefited from reliable satellite navigation. The Ukraine battlefield has demonstrated that this assumption is dangerous when fighting an adversary with extensive electronic-warfare capabilities.
The Defense Department study recommends preparing precision-strike packages for environments in which GPS signals are jammed or degraded. It discusses anti-jam technology and emphasizes that forces need alternatives when conditions for precision guidance cannot be assured.
Electronic warfare becomes part of every strike
The study argues that electronic warfare should not be treated as a specialized activity operating separately from conventional fires.
Instead, intelligence about hostile jamming systems, counter-EW capabilities and unmanned aircraft should be integrated into strike planning. Enemy electronic-warfare assets may themselves become high-priority targets because they can disrupt navigation, communications and weapons guidance across the battlefield.
Commercial technology is accelerating military decisions
Another recommendation is to integrate commercial technology more effectively so forces can gather information and pass targeting data faster.
Ukraine has demonstrated how civilian and military technologies can be combined rapidly. Commercial drones, communications tools, software and imagery have been adapted for military use at speeds that traditional defense procurement systems often struggle to match.
Drones are changing visibility on the battlefield
The proliferation of unmanned aircraft also makes concealment more difficult. A force that can be detected from the air can quickly become a target for artillery, loitering munitions or FPV drones.
This increases the importance of dispersion, camouflage, deception and rapid movement while reducing the amount of time commanders may have between detection and attack.
Lessons for the United States
The United States is unlikely to fight a future war identical to Ukraine. But the technologies demonstrated there are spreading rapidly and are increasingly available to both states and non-state actors.
That makes the conflict relevant to U.S. preparations for Europe, the Middle East and the Indo-Pacific.
The lesson is not simply that America needs more drones. It needs forces that can continue operating when communications are disrupted, navigation is degraded and inexpensive enemy systems are present in large numbers.
Analysis
The Pentagon study helps explain why Ukraine has become so important to American military planning. The conflict has exposed vulnerabilities in assumptions built during decades when U.S. forces often enjoyed air superiority, reliable communications and relatively uncontested satellite navigation.
Against a technologically capable opponent, those advantages may disappear.
The central institutional challenge for the United States is therefore adaptation: whether a large defense establishment can change doctrine, procurement and training quickly enough to keep pace with technologies that can evolve in weeks or months.