Benjamin Jensen, Professor of Strategic Studies at the Marine Corps University School of Advanced Warfighting; Scholar-in-Residence, American University School of International Service This article is republished from The Conversation under a Creative Commons license. Read the original article. Despite two centuries of evolution, the structure of a modern military staff would be recognizable to Napoleon. At the same time, military organizations have struggled to incorporate new technologies as they adapt to new domains – air, space and information – in modern war. The sizes of military headquarters have grown to accommodate the expanded information flows and decision points of these…