C4ISRNET's Colin Demarest talks military tech with Program Executive Officer, PEO IEW&S, Mark Kitz. WASHINGTON — Prototype work on combined electronic warfare, cyber and signals intelligence technology to be mounted into U.S. Army armored vehicles will happen this year, with eyes set on operational demonstrations in 2024, according a service official. The so-called Terrestrial Layer System , or TLS, is designed to provide soldiers greater situational awareness on the battlefield, as well as