<i>These provided the first way to get trucks and tanks across in quantity. The temporary harbors were destroyed in a storm, but by then enough soldiers and gear were in France to capture a real harbor at Cherbourg.</i><p>Not quite right - only one was destroyed.  The other was damaged, but used for the better part of a year and brought in millions of tons of supplies.  A good part of the Aromanche harbour is still there.  See <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Mulberry_harbour" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Mulberry_harbour</a><p>It&#x27;s not an understatement to say the logistics aspects of D Day were masterful, as was the disinformation campaign (Operation Bodyguard).