 The concept was revealed by IMI in 2006 and was expected to enter Israel Defense Forces tests by mid-2007.The system has been successfully tested against a wide variety of threats including rocket-propelled grenades, anti-tank guided missiles and tank-fired HEAT ammunition and kinetic energy penetrators.It senses incoming threats via a fixed active electronically scanned array radar sensor developed by RADA Electronic Industries and an optional passive infrared detector developed by Elbit's Elisra.