US Army soldiers are testing a wave of new digital tools and weapons. Some troops still rely on analog backups in case digital systems lose connection. The US Army is embracing a massive digital transformation across systems and technologies, but that doesn't mean soldiers are ready to give up their physical, analog backups any time soon. "This should never go away," he added, pointing to his physical map. They would use the digital map to compare against and update their analog copies, while also using it to understand the overall battlefield situation.