This archival footage of the U-505 shows the sub being prepped for its journey across Lake Shore Drive on September 2, 1954. On September 25 of the same year, the U-505 was dedicated as a war memorial and a permanent exhibit at the Museum of Science and Industry. In 1989, the sub was also designated as a National Historic Landmark. The U-505 is the only Type IX-C U-boat in existence today. http://bit.ly/2MT5ga1 | Griffin Museum of Science and Industry

THIS DAY IN HISTORY 75 years ago today German u-boat U-505 was captured by the Allies, specifically by a Chicagoan. Boarding it is a right of passage for generations of Chicagoans thanks to the Museum of Science and Industry. Larry Potash has the backstory on this Chicago treasure. For more great Chicago backstories, check out WGNtv.com/Backstory, and catch an all-new Backstory this Sunday night at 8:30 on WGN. | WGN TV