Senior Airman Martin Whalen prepares to cut a sheet of plywood. Senior Airman Martin Whalen of the 110th Civil Engineering Squadron, Battle Creek, Mich., prepares to cut a sheet of plywood to repair the roof of the Hancock County Historical Society building in Bay St. Louis, Miss., on Sept. 20, 2005. Department of Defense units are mobilized as part of Joint Task Force Katrina to support the Federal Emergency Management Agency's disaster-relief efforts in the Gulf Coast areas devastated by Hurricane Katrina. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 560167-K-GQB00-471.jpg Photo Gallery