Girl Scout Brianna Carroll, 7, with troop 7778 waves the Stars and Stripes as a procession of Patriot Guard Riders drives along First Avenue East during a memorial service for U.S. Army Sgt. Michael Ristau on Saturday, Aug. 4, 2012, in Cascade, Iowa. Ristau, a Cascade native, was killed July 13 in Qalat, Zabul province, Afghanistan.