of course, iran has been supplying syria with fighters and could change plans to strike iran's nuclear facilities. former intelligence officer mike barrett joins us, the c.e.o. of security consulting firm diligent innovation. this could change the israelis' plan? >>guest: it is a fairly advanced system. what you get is upgraded radar and the ability to take down the missiles you shoot in first. a major tactic when you attack using aircraft you want to send in antiradiation missile to take out the radar but if iran has a high are number of missile sites that changes the equation and it puts a certain amount of uncertainty. they are truck mounted and it creates a lot of unnopes so you have to rethink the attack plan from the israeli point of view. >>shepard: would the world try