A soldier directs Hurricane Katrina victims as they exit the back of an Army CH-47 Chinook helicopter during relief efforts in New Orleans, Sept. 3, 2005. The soldier is an Army National Guard air crewman. Army guardsmen were mobilized to take part in Joint Task Force Katrina, a humanitarian assistance operation led by the Federal Emergency Management Agency in conjunction with the Defense Department. U.S. Navy photo by Petty Officer 1st Class Robert McRill