TOP SECRET//S1//NOFORN (TS//S1//NF) S2E332 issued three single source reports in March 2013 on Syrian opposition attacks against Damascus: - Reports gave U.S. three days warning about 18 March 2013 attacks (2 year anniversary of revolution) - Saudi Prince Salman bin Sultan directed opposition to "light up Damascus " and "flatten" airport - Saudis sent 120 tons of explosives/weapons to opposition forces - Attacks against airport, Presidential palace and other locations occurred on 18 March - Saudis "ver y plea sed" with outcome - PRISM providing almost all collection on opposition plans and operations TOP SECRET//S1//NOFORN