the persian gulf. earlier this morning, secretary of state john kerry released a statement expressing gratitude to iranian authorities for their cooperation in resolving the matter swiftly. i am joined by tehran bureau chief and chief pentagon correspondent jim miklaszewski. the latest on nine men and one woman safe on a u.s. air base? >> that's right, they're back in bahrain, the u.s. naval basin the persian gulf after being held less than a day, about 20 hours or so by the revolutionary guard on farsi island. there's no evidence they were harmed or suffered injuries, but nevertheless as precaution they'll go through reintegration protocol. this is protocol for any pows or hostages released just to make sure there's no hidden psychological damage, no concern there may be, but it is sort of