#18 Just wow! All this built in just a few years and this was not all of it either!
Excerpts; The 3,000 ship Fifth Fleet, under Admiral Raymond Spruance , would carry the invasion troops. Several days before the invasion, the battleships, heavy cruisers and destroyers would pour thousands of tons of high explosives into the target areas.
Waves of Helldivers, Dauntless dive bombers, Avengers, Corsairs, and Hellcats from 66 aircraft carriers would bomb, rocket and strafe enemy defenses, gun emplacements and troop concentrations along the beaches.
I googled: total number of united states of all types ships in ww2
How many ships did US have in ww2?
At its peak, the U.S. Navy was operating 6,768 ships on V-J Day in August 1945, including 28 aircraft carriers, 23 battleships, 71 escort carriers, 72 cruisers, over 232 submarines, 377 destroyers, and thousands of amphibious, supply and auxiliary ships.
Naval history of World War II - Wikipedia
https://en.wikipedia.org/wiki/Naval_history_of_World_War_II