He was twice awarded the Medal of Honor.
"Jap" on the other hand, is the term invented in WWII to mean "someone who is not fully human, so we don't have to feel bad about killing them." We have invented a similar term in most wars, "Hadj" being the latest. We weren't killing people in Europe, either. We were killing "Krauts." In Vietnam, it was "slants" and "gooks."
It's a psychological defense against the horrors of war.
Can't we just turn Congress off and then turn it back on again?
But in 1978 in the name of political correctness the libs took away the Marines and Army's flame throwers and told them to win the enemies hearts and minds instead.
All we have to look at the American casualty rates since 2009 in Afghanistan to see how winning their hearts and minds is working out.
Now the M-2 back packed flame thrower was used in Vietnam, even though I personally never seen it used, but I did see many M-48 flame tanks in Vietnam.
Before the use of CS gas (tear gas) was internationally outlawed by the military in 1993, the word came down in Nam that Marines and soldiers were no longer authorised to use CS when clearing out VC tunnels. Seem some libs back home had a problem with using CS, it was politically incorrect. It would be up to the tunnel rats to clear VC tunnels.
There's also another problem with using explosives during a fire fight, "danger close."
Yes, it's very common to assign dehumanizing names to ones enemy and that comes out even in particularly nasty interpersonal disagreements.
Mt. Rushmore: Three surveyors and some other guy.
Life goes on within you and without you. -Harrison
Hear the echoes of the centuries, Power isn't all that money buys. -Peart
After you learn quantum mechanics you're never really the same again. -Weinberg