This article looks at military innovation through a political, social, and economic lens. Contrasting Japan and Russia in the interwar years as case study, it demonstrates the importance of political, social, and economic variables as the critical determinants. This begs the question of how these factors affect U.S. military innovation in the coming years.
Leonard Lira. "Military Innovation in Russia and Japan during the Interwar Years: A Relevant Case Study in Strategic Analysis" Strategos (2010).