Israeli Ministry of Defense received an American military grant worth $250 million to be invested in missile defense programme. "The aid is yet another layer in the strengthening ties of defense between Israel and the U.S.," Defense Minister Ehud Barak said in statements aired over Radio Israel Monday. The new grant will be added to the $3 billion annual military aid Israel receives from the U.S. according to a mutual agreement signed in 2007 and lasts for ten years