Assaf Ramon, eldest son of the Israeli astronaut, Col. Ilan Ramon that died in the space shuttle Columbia, looks at a special exhibit featuring his father Col. Ilan Ramon, and the drawing "Moon Landscape" that Ramon took into space in the Historical Museum in Yad Vashem Holocaust Museum in Jerusalem, Israel, March 18, 2004.The families of the Columbia crew are visiting Israel. (UPI Photo/Debbie Hill - POOL)