Late last month, Israel successfully completed a series of tests on its Iron Dome anti-rocket system, which is aimed to protect its citizens from possible rocket fire from Lebanon in the north and from the Gaza Strip in the south.

Photo released by the Israel Aircraft Industries  (IAI) on April 7, 2009 shows the Arrow ballistic missile interception system in action. Israel on Tuesday successfully intercepted a target simulant of an Iranian missile in a test of its Arrow anti- missile system. (Xinhua photo)

The two systems are major components of the multi-layer air defense system Israel is trying to build. Defense Minister Ehud Barak said last month that Israel aims at "reaching the stage in which a clear majority of missiles do not reach their targets."

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Editor:Yang Jie