Wall Street Journal on Friday. Pentagon papers leak revealed Israel conducted air exercise for possible future attackleaked Pentagon papers stated that Israel conducted an air exercise on February 20 that was "apparently intended to simulate an attack on the Iranian nuclear program, possibly in order to show Jerusalem's determination to act against Tehran," according to a report by Ynet. Pentagon papers leak revealed Israel conducted air exercise for possible future attackleaked Pentagon papers stated that Israel conducted an air exercise on February 20 that was "apparently intended to simulate an attack on the Iranian nuclear program, possibly in order to show Jerusalem's determination to act against Tehran," according to a report by Ynet