Volunteers Fred Ferrell, left, a retired Marine, and Randy Gratz, a retired police officer from the Hawaii Police Department, work on a Douglas C-47 Skytrain in Hangar 79 of the Pacific Aviation Museum at Joint Base Pearl Harbor-Hickam, Hawaii. The museum's staff is restoring the C-47 to be part of the exhibit depicting World War II paratrooper designated aircraft. The exhibit is slated to go on display by spring of 2014. (U.S. Navy photo by Mass Communication Specialist 3rd Class Diana Quinlan/Released)