CANINE NIGHTS As seen through a night-viewing device, U.S. Marine Corps Staff Sgt. Chris Willingham directs his military working dog, Lucca, to search a car parked near an Iraqi election site for explosives in Diwaniyah, Iraq, Jan. 30, 2009. Willingham is assigned to the 4th Infantry Division's Headquarters Company, 2nd Special Troops Battalion, 2nd Brigade Combat Team. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 096551-K-CEW00-091.jpg Photo Gallery