Every major war reshapes how future wars are fought. Victory and defeat matter, but they are rarely a conflict’s only legacy. Wars expose weaknesses that peacetime exercises fail to reveal, […]

That may prove to be Ukraine’s most enduring contribution to military thought. Persistent observation is not ending the competition between observation and concealment. It is accelerating it. Every improvement in battlefield awareness generates new methods of concealment, deception, and maneuver. The future battlefield is less likely to be defined by a single technology or weapons system than by a continuous competition between observation, adaptation, and deception.