In her book The Imagineers of War, author Sharon Weinberger recounts one of the first deployments of simulation training: To improve America's performance in a NATO mock tank battle that the US consistently performed poorly in, nicknamed the Canadian Army Trophy. After implementing DARPA's rudimentary gaming-as-training regimen, the US won. Three decades later, the US Ski and Snowboard Association is using VR training in what could serve as a repeat of that result.