Defense Minister Israel Katz spoke at a ceremony reading the names of fallen Israeli soldiers at the Hall of Remembrance on Mount Herzl, addressing the Iranian threat amid talks between Washington and Tehran on a nuclear deal: 'Iran is the central threat to the entire region, and we are more determined than ever to prevent it from obtaining nuclear weapons.' Katz also addressed efforts to release the hostages: 'This is the supreme commitment of the State of Israel in the name of mutual responsibility and national unity.'