FOR USE AS DESIRED, YEAR END PHOTOS - FILE - Israeli soldiers mourn over the grave of Sergeant Sagi Erez, an infantry soldier training to be a squad commander, during his funeral at the military cemetery in Haifa, northern Israel, Tuesday, July 29, 2014. Erez, 19, was killed in combat after Gaza militants used a tunnel to sneak into Israel. Israeli Prime Minister Benjamin Netanyahu said Monday that Israel must be ready for a "prolonged" military operation in the Gaza Strip. (AP Photo/Ariel Schalit, File)

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