SPARKLING CONVERSATION U.S. Navy Chief Petty Officer Jason Sparks waves at a child at Henry Doorly Zoo in Omaha, Neb., Aug. 26 2009. Sparks, assigned to Explosive Ordinance Disposal Operation Support Unit 10, dove into the zoo's aquarium throughout the day as part of Omaha Navy Week events. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 618351-H-AIF52-462.jpg Photo Gallery