There were guys with a way higher level of exactly that, right in the thick of it and some few of them remain -- an NYT article worth reading, pointed out by NAVIGATOR.
(And this, this is why we do the Memorial Day thing. Not for the generals. Not for the politicians. Not for abstract ideas. Not even so much for love of country; we do it for those who stepped up, who went and did the thing and died in the doing. A lot of them had only the choice between cowering and standing up; do you know what you'd do when standing off and feeling smugly superior wasn't an option? Do you?)
T. R. MCELROY'S STREAMLINED TELEGRAPH KEYS
1 year ago