U.S. Army Soldiers enter the back of a CH-47 Chinook helicopter after a ribbon-cutting ceremony to celebrate the return of the newly-refurbished aircraft to the U.S. Army Transportation Museum on Fort Eustis, Va., April 11, 2014. After nearly a year of restorations, the 55-year-old helicopter was displayed at the museum. (U.S. Air Force photo by Senior Airman Aubrey White/Released)