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Did You Know?

Did you know? The invasion of France on June 6, 1944 was a triumph of intelligence, coordination, secrecy, and planning. The bold attack was also a tremendous risk. Ultimately it succeeded because of individual soldiers' bravery in combat. Learn some of the basic facts about D-Day.

The Meaning of the "D"
Ever since June 6, 1944, people have been asking what the "D" in "D-Day" means. Does it stand for "decision?" The day that 150,000 Allied soldiers landed on the shores of Normandy was certainly decisive. And with ships, landing craft and planes leaving port by the tens of thousands for a hostile shore, it is no wonder that some would call it "disembarkation" or "departed."

There is not much agreement on the issue. But the most ordinary and likely of explanations is the one offered by the U.S. Army in their published manuals. The Army began using the codes "H-hour" and "D-day" during World War I to indicate the time or date of an operation's start. Military planners would write of events planned to occur on "H-hour" or "D-day" -- long before the actual dates and times of the operations would be known, or in order to keep plans secret. And so the "D" may simply refer to the "day" of invasion.

D-Day's Impressive Numbers
Convoy of ships crossing the English Channel An invading army had not crossed the unpredictable, dangerous English Channel since 1688 -- and once the massive force set out, there was no turning back. The 5000-vessel armada stretched as far as the eye could see, transporting over 150,000 men and nearly 30,000 vehicles across the channel to the French beaches. Six parachute regiments -- over 13,000 men -- were flown from nine British airfields in over 800 planes. More than 300 planes dropped 13,000 bombs over coastal Normandy immediately in advance of the invasion.

War planners had projected that 5,000 tons of gasoline would be needed daily for the first 20 days after the initial assault. In one planning scenario, 3,489 long tons of soap would be required for the first four months in France.

By nightfall on June 6, more than 9,000 Allied soldiers were dead or wounded, but more than 100,000 had made it ashore, securing French coastal villages. And within weeks, supplies were being unloaded at UTAH and OMAHA beachheads at the rate of over 20,000 tons per day.

Captured Germans were sent to American prisoner of war camps at the rate of 30,000 POWs per month from D-Day until Christmas 1944. Thirty-three detention facilities were in Texas alone.

Tuning in to D-Day
In the pre-television era, Americans got their breaking news from their radios. London-based American journalist George Hicks made history with his radio broadcast from the deck of the U.S.S. Ancon at the start of the D-Day invasion. "...You see the ships lying in all directions, just like black shadows on the grey sky," he described to his listeners. "...Now planes are going overhead... Heavy fire now just behind us... bombs bursting on the shore and along in the convoys." His report, including the sounds of heavy bombardment, sirens, low-flying planes, and shouting, brought Americans to the front line, with all its chaos, confusion, excitement, and death.

An American Noah
Allied landing craft Louisiana entrepreneur Andrew Jackson Higgins first designed shallow-draft boats in the late 1920s to rescue Mississippi River flood victims. Higgins tried for years to sell his boats to the U.S. military, but he was rejected repeatedly. At last, the Marine Corps selected the flat-bottomed landing craft for troop landings on Pacific beaches. Higgins, who had paid heavily out-of-pocket to promote his boats, finally landed the government contract -- and his factories produced 20,000 of the versatile craft for the war effort -- including D-Day.



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