An Israeli officer looks at a jacket with a Star of David arm band, in a model of the headquarters bunker of the Jewish Combat Organization (ZOB) Mila 18 in the Warsaw Ghetto at the museum "From Holocaust to Revival" in Kibbutz Yad Mordechai near the costal town of Ashkelon, Israel, Sunday, April 27, 2014. The annual Israeli memorial day for the 6 million Jews killed during the Holocaust of the World War II begins at sundown Sunday. (AP Photo /Tsafrir Abayov), APTOPIX