Jones informs Rusk that Israel is ready to allow a US visit to Dimona, but it must be kept secret. Jones also informed Rusk that the Atomic Energy Commission had selected two of its scientists to make the visit: Ulysses Staebler, assistant director of reactor development and chief of the Civilian Power Reactors Branch, and Jesse Croach Jr., a heavy water reactor expert with Dupont, the AEC’s principal contractor for heavy water reactor work.