And don't forget Exercise/Operation Tiger where nearly 800 troops were killed in rehearsal for D-Day the preceding April. Full info on it didn't come out publicly for a good while, for obvious reasons.
>>"Sadly most of us haven't half the grit those men, and women" -- We might/might not. Those guys/gals were just like us. When you're in that kind of situation, you do what you have to. Whatever stuff you're made of comes out then; it's always been that way, whether D-Day, Gallipoli, Gettysburg, or where-/whenever.