Retired Marine Col. Barry Colassard, a docent at the National Museum of the Marine Corps, presents sand from Iwo Jima and shows pictures of Mount Suribachi to Duke Leopold-Engelbert de Arenberg, center, and Count Bernard de Grunne of Belgium. Arenberg supports Azalea Charities, a veteran and community support organization based in Dumfries, and toured the museum April 15. - Retired Marine Col. Barry Colassard, a docent at the National Museum of the Marine Corps, presents sand from Iwo Jima and shows pictures of Mount Suribachi to Duke Leopold-Engelbert de Arenberg, center, and Count Bernard de Grunne of Belgium. Arenberg supports Azalea Charities, a veteran and community support organization based in Dumfries, and toured the museum April 15.