joining me now is nbc news chief pentagon correspondent, jim mickula chef ski.. >> you bet, reverend al. >> how long does the pentagon expect the strikes to last? >> i heard you ask richard engel just a few moments ago, what happens when the bombing ends? the bombing is not going to end. what we'll see, there will be an occasional spurt of air strikes like we saw last night, when there are huge targets of opportunity. or they see some kind of attempt or effort, ability, to take out some isis leadership. but what we're going to get is a daily, steady, drip drip drip of the targets of opportunity that we saw here. couple of vehicles here, a tank there, a weapons depot there. this will go on for some time. officials predict that this campaign to degrade and destroy isis is going to take years. >> now, are sources in the pentagon satisfied with the operation so far? >> with the operation last night, they are. they set out to accomplish what they needed to do, and that is to send a message to isis, to iraq, to the rest of the world, particularly the arab allies in th