Elbit Systems unveils Iron Sting precision mortar Iron Sting is a networked precision fire system that employs laser and GPS to engage targets accurately and prevent collateral damage. Israel's Ministry of Defense Directorate of Defense R&D (DDRD) together with the IDF’s Ground Forces and defense electronics company Elbit Systems Ltd. (Nasdaq: ESLT; TASE: ESLT) have today unveiled a the Iron Sting precise, laser and GPS guided mortar munition. The 120 mm mortar has recently undergone final trials in a testing site in southern Israel. The completion of testing enables the start of serial production ahead of the system’s supply to the IDF.