Jerusalem ( CNN ) -- Israel completed a successful test flight of its Arrow 3 interceptor system on Monday , the Ministry of Defense said in a statement . The system is designed to defend against medium-range missiles that could be fired from countries such as Iran . `` The successful test is a major milestone in the development of the Arrow 3 Weapon System and provides further confidence in future Israeli defense capabilities to defeat the developing ballistic missile threat , '' the statement said . The test of the joint American and Israeli weapon system was held over the Mediterranean Sea on Monday morning . Israel and the United States have been jointly developing the multi-billion dollar Arrow missile defense system since 1986 . The goal is to provide Israel with a defense for medium range missiles fired toward it from the region .
Israel declares test a `` major milestone '' in development of anti-missile system . Score: 6 The United States and Israel are jointly developing the system .