I have always disliked the expression “passed away.” And it always reminds me:
Upper Class: He died.
Middle Class: He passed away.
Lower Class: He went home to Jesus.
“Passed away” was a particularly odd choice in this context, since he died in battle.
I always hated it.
Even long before the person most dear to me in my entire life died in a freak traffic accident starting her senior year at University.