Army trainers successfully used cyber weapons and electronic warfare (EW) technology to thwart a simulated tank assault at a training exercise conducted at the Army National Training Center at Fort Irwin, Calif. The exercise reinforced the need for the EW and cyber protection technology that is under development by entities such as the Army Rapid Capabilities Office (RCO) and U.S. Cyber Command.
https://defensesystems.com/articles/2017/06/05/cyberewko.aspx