Two Virginia National Guard Soldiers killed Dec. 21, 2004, in a suicide bombing in Mosul, Iraq, are remembered with a wreath laying Dec. 21, 2018, at the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia. Sgt. Nicholas C. Mason and Sgt. David A. Ruhren, both assigned to the Fredericksburg-based 229th Brigade Engineer Battalion, 116th Infantry Brigade Combat Team, but were deployed with the 276th Engineer Battalion, 329th Regional Support Group, were killed in the attack in a mess tent on Forward Operating Base Marez, in Mosul, Iraq.