Trenches and Tablets: Part III – From FM 3-90 to Mosaic

Part III: From FM 3-90 to Mosaic dives into how traditional U.S. Army doctrine—rooted in linear maneuver and fire support—struggles to keep pace with Ukraine’s battlefield reality. In its place? A dynamic, modular kill web where every unit is a node, and lethality comes from flexibility, not formation.




