It’s been strongly argued by several people that the naval pre-landing bombardment plan was botched by Bradley at Omaha Beach.
The USAR in Europe was strongly colored by amphibious ideas emphasizing “surprise” leading to rather short and ineffectual bombardments. If you compare the total number and tonnage of pre-landing shells fired at Omaha to various Pacific Islands, there’s not even the remotest comparison.
One unfortunate aspect of “Saving Private Ryan” is that the important fact that the Omaha landing was saved by US Destroyers almost running aground coming in close and blazing away with direct fire with 5 in. guns, is completely ignored.
I can’t imagine the noise of being in front and below those guns being fired.
A truly horrible day.