When President Vladimir Putin sent his forces into Ukraine, the Kremlin appeared to be betting on a familiar axiom of European security: sheer Russian mass, backed by vast Soviet-era stockpiles and nuclear power, would overwhelm resistance.
More than four years into Moscow’s full-scale invasion, that assumption has been all but obliterated. Ukraine survived, derailed Russia's expected quick victory, and turned the conflict into a high-tech war of attrition.
It has developed an innovation cycle that Joshua Huminski, senior vice president for…