1.  Why is the U.S. conducting a missile defense exercise with Israel?

2.  How did the Israeli military dismiss the idea that the joint drill is in response to Iran's 10 day naval exercise near the Strait of Hormuz?

3.  What is believed to be the reason for Iran's war games?

4.  Why does Israel believe Iran is a threat?

5.  What is Israel's "Arrow" system?

6.  What was the purpose of the last joint exercise the U.S. conducted with Israel, in 2009?