U.S. soldiers from the 82d airborne company from Fort Bragg, North Carolina, walk on the beach of Saint Laurent sur Mer, also called Omaha Beach, after collecting sand to take back to their country, Wednesday June 4, 2014.  World leaders and veterans prepare to mark the 70th anniversary of the D-Day invasion this week in Normandy. Visible at foreground right is The Brave monument. (AP Photo/Remy de la Mauviniere)