Following the series of hurricanes in the southern United States in 2005, production moved to Shreveport, Louisiana. Some of the base scenes were filmed at Barksdale Air Force Base in Bossier City, Louisiana and at Camp Minden in Minden, Louisiana. Some of the scenes that were supposed to be filmed in Kodiak, Alaska were actually filmed at CG Air Station Elizabeth City, North Carolina. Sixty thousand pounds of ice were needed on the set. The training pool used in the movie was LSU–Shreveport's natatorium.