I curse the very mention of the steaming pile of PC crap called “Pearl Harbor”. My father and I just rolled at the special effects and sites they used.
What ever happened to having a John Ford type director, with a docudrama approach?
Interesting details of the ships used at Dunkirk here -
https://en.wikipedia.org/wiki/Little_Ships_of_Dunkirk
The “fleet” even included a “Ferry across the Mersey” (before Jerry and the Pacemakers though...:^) and most of the Liverpool - Isle of Man - Belfast ferries.