When the Germans knew about the D-Day operation they started putting up obstacles to damage Allies boats. Because they thought the English would attack at high tide so the troops could run a shorter distance under enemy fire. In America there was a man called Andrew Jackson Higgins who had a shipping yard in New Orleans, who had a boat that could skim across the water.  So he took his idea too the navy but they turned it down.  Then there was a try out for boats so Andrew took his boat along and the navy were impressed with his boat and used it for D-Day.  But there was a problem it was to hard to get out so the navy fixed a kind of a door to the front of the boat and it worked.  But when they had a test run there were too many casualties and D-Day was in two years. The English Navy had to put the udder in a different place

IT WAS THREE DAYS BEFORE D-DAY!!!!!!!!

And they needed 43 more ships they needed to work non stop if they wanted to win this war.  But to there advantage the weather was bad and they all got too the shipping yard with a day to spare.      When the ships where setting off the Germans thought they where attacking at the most obvious place but the English had another 10 hours in the boats. When the landed it was a big success the planes dropped all there bombs so it was easier for

The troops. The gliders dropped there peashooters silently over the bridge so the Germans would not blow the bridge up so the English troops could march on in to France. D-Day was a success.