An Israeli soldier takes part in during a rehearsal for a ceremony to mark Israel's Memorial Day for fallen soldiers at the Mount of Olives cemetery in east Jerusalem, Tuesday, May 10, 2016. Israel will mark the annual Memorial Day in remembrance of soldiers who died in the nation's conflicts, beginning at dusk Tuesday until Wednesday evening. (Photo by Oded Balilty/AP Photo)





Israeli soldiers stand next to a small flag with a black ribbon placed on a grave of a fallen soldier on the eve of memorial Day in Kiryat Shaul military cemetery in Tel Aviv, Israel, Tuesday, May 10, 2016. (Photo by Ariel Schalit/AP Photo)





An Israeli soldier is places flowers on the grave of fallen soldiers on the eve of memorial Day in Kiryat Shaul military cemetery in Tel Aviv, Israel, Tuesday, May 10, 2016. (Photo by Ariel Schalit/AP Photo)





An Israeli soldier places small flags with black ribbons on graves of fallen soldiers on the eve of memorial Day in Kiryat Shaul military cemetery in Tel Aviv, Israel, Tuesday, May 10, 2016. (Photo by Ariel Schalit/AP Photo)





Israeli soldiers look at an officer explaining how to place a small flag with black ribbons on a grave of a fallen soldier on the eve of memorial Day in Kiryat Shaul military cemetery in Tel Aviv, Israel, Tuesday, May 10, 2016. (Photo by Ariel Schalit/AP Photo)





Israeli small flags with black ribbons are placed on the graves of fallen soldiers on the eve of memorial Day in Kiryat Shaul military cemetery in Tel Aviv, Israel, Tuesday, May 10, 2016. (Photo by Ariel Schalit/AP Photo)





Israeli soldiers place small flags with black ribbons on the grave of fallen soldiers on the eve of memorial Day in Kiryat Shaul military cemetery in Tel Aviv, Israel, Tuesday, May 10, 2016. (Photo by Ariel Schalit/AP Photo)





Israeli flags in a box before they are placed on graves of fallen soldiers on the eve of Memorial Day at the Kiryat Shaul military cemetery in Tel Aviv, Israel, Tuesday, May 10, 2016. (Photo by Ariel Schalit/AP Photo)





Israeli soldiers salute after placing small flags on the grave of fallen soldiers on the eve of memorial Day in Kiryat Shaul military cemetery in Tel Aviv, Israel, Tuesday, May 10, 2016. (Photo by Ariel Schalit/AP Photo)





Israeli soldiers salute after placing small flags on the grave of fallen soldiers on the eve of memorial Day in Kiryat Shaul military cemetery in Tel Aviv, Israel, Tuesday, May 10, 2016. (Photo by Ariel Schalit/AP Photo)





A man carries the Israeli flag during for a ceremony to mark Israel's Memorial Day for fallen soldiers at the Mount of Olives cemetery in east Jerusalem, Tuesday, May 10, 2016. (Photo by Oded Balilty/AP Photo)





Israeli soldiers salute as they stand next to graves of fallen soldiers during a ceremony ahead of Memorial Day, commemorating those who died during conflicts, at the Kiryat Shaul military cemetery in Tel Aviv, Israel May 10, 2016. (Photo by Baz Ratner/Reuters)





An Israeli soldier places a flag on the graves of fallen soldiers during a ceremony ahead of Memorial Day, commemorating those who died during conflicts, at the Kiryat Shaul military cemetery in Tel Aviv, Israel May 10, 2016. (Photo by Baz Ratner/Reuters)





Israeli soldiers sit in front of a monument engraved with names of fallen Israeli soldiers, as they wait for the start of a ceremony marking Memorial Day in Jerusalem, May 10, 2016. Israel commemorates its fallen soldiers on Memorial Day, which begins Tuesday night. (Photo by Ronen Zvulun/Reuters)





An Israeli soldier visits the grave of his friend on the Memorial Day eve commemorating fallen soldiers, at the military cemetery at Mount Hertzl in Jerusalem, Tuesday, May 10, 2016. (Photo by Oded Balilty/AP Photo)