The Russo-Ukrainian War provides an exorbitant amount of information for the security and defense studies communities, much of which is too immature, or insufficiently detailed to stake out ‘lessons learned.’ Nonetheless, examining urban operations from the macro-level, that is, above the movement of troops and individual formations, provides several noticeable trends. Most notably, urban operations in Ukraine demonstrate that attrition is how wars between industrialized nations are fought, won, and lost. Next, dislocation, or the effect of rendering an adversary’s strength irrelevant through position, function, time, or will, is germane to fighting and winning wars of attrition. As a result of these two features of urban warfare, sharply brought into focus by the Russo-Ukrainian War, Western militaries must make doctrine, organization, and training adjustments to how they think about and prepare for future war. This paper provides a set of principles for urban operations, based on these findings, to help orient the community of interest toward that end.