Hacksaw Ridge (2016)

Factual error: When Desmond's father is in his WW1 uniform, to the far right he is wearing a French Croix de Guerre (Cross of War) - the medals themselves are identical however, this decoration incorrectly hangs from a WW2 type ribbon.

Prosecutor: There is only one question that any military court need ask of the accused: do you deny disobeying Col. Sangston's direct orders?
Judge: Well, do you, Private?
Desmond Doss: No, sir, I don't.
Judge: Why are you contesting it, then? Why is it so important to you, given your refusal to even touch a weapon to serve in a combat unit?
Desmond Doss: Because when the Japanese attacked Pearl Harbor, I took it personal. Everyone I knew was on fire to join up, including me. There were two men in my hometown declared 4-F unfit, they killed themselves cause they couldn't serve. Why, I had a job in a defense plant and I could've taken a deferment, but that ain't right. It isn't right that other men should fight and die, that I would just be sitting at home safe. I need to serve. I got the energy and the passion to serve as a medic, right in the middle with the other guys. No less danger, just... while everybody else is taking life, I'm going to be saving it.

Question: How did they attack in the morning and fight a 2 hour battle and dig in for the night?

Brian McKa