U.S. Army troops wading ashore from a landing craft to Omaha Beach, Normandy, on D-Day

'Top Secret' maps reveal the massive Allied effort behind D-Day

As dawn broke on June 6, 1944, in northern France, the Allies began an invasion in the works for years: D-Day, the start of Operation Overlord that turned the tide against Nazi Germany.

Storming the Beaches

Following months of top secret planning, U.S. Army troops wade ashore from a landing craft to Omaha Beach, Normandy, on June 6, 1944: D-Day.
Photograph by Granger/Album
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