tech equipment supplied by iran. let s go straight to our pentagon correspondent, barbara starr. barbara also seeing reports of high-level defections including at least four generals. do u.s. officials think that s significant? reporter: right now, john, senior u.s. intelligence officials are telling us no. and that s the problem. they are seeing no cracking in the inner circle around because char bashar all assad. they are seeing no evidence his powerful inner circle is cracking. and that imagery that has now been declassified and released today is also critical. because what it s providing the u.s. intelligence community is very specific information about where syrian forces are on the move, what they are shelling, the destruction of mosques and hospitals in critical neighborhoods. you have the video on the internet. but this is the kind of key intelligence that they are pouring over right now to get a better idea of what the syrian military s really up, to john. as the