Bank of Israel Governor Stanley Fischer (R) and U.S. Under secretary of State Nicholas Burns attend a signing ceremony in Jerusalem August 16, 2007. The United States and Israel signed on Thursday a formal agreement under which Washington will provide it with $30 billion in defence aid over the next decade, a 25 percent increase over previous years. At a signing ceremony in Jerusalem, Burns pledged the United States would help Israel maintain a military advantage over its regional foes. REUTERS/Ronen Zvulun (JERUSALEM)