Never knew about this until today. Sounds like some very Brave & Honorable men.
"The battle lasted a month and was fought often times with bayonets. Advancing against well-emplaced German machine gun positions and suffering heavy losses, the Marines managed to push the Germans back and take their objectives."
https://www.6thmarines.marines.mil/U...mustard%20gas.
Sounds like they plowed they way for the freedom we have today and established Americas military might.