U.S. Defense Secretary Chuck Hagel (C) speaks to U.S. and Israeli troops after viewing the Juniper Cobra 14 military exercise at Hatzor Israeli Air Force Base in central Israel, near Hatzor kibbutz ... more 
U.S. Defense Secretary Chuck Hagel (C) speaks to U.S. and Israeli troops after viewing the Juniper Cobra 14 military exercise at Hatzor Israeli Air Force Base in central Israel, near Hatzor kibbutz May 15, 2014. Hagel said on Thursday he was unaware of any truth to a media report that Israel has been spying on the U.S. REUTERS/Mandel Ngan/Pool (ISRAEL - Tags: POLITICS MILITARY) less 
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Reuters | Photo By POOL / REUTERS
Thu, May 15, 2014 12:16 PM EDT