Hey, I'm back...
Ok the reason that compared to the other beaches, Omaha was a 'cake walk' was because of botched naval bombardment. Before the actual landings there was a period of massive naval bombardment, on ALL four other beaches more than 75% of deffensive fortifications were knocked out. But on Omaha the bombardment overshot the targets, most rounds hitting the flooded tidal flats behind the main fortifications, causing minimal casualties.
...Leave it to the squids to screw things up for the Army
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"Victory at any Price!"
SS-Panzergrenadier