"Retreat? Hell, we just got here." -Captain Lloyd Williams
"Come on, you sons of bitches, you want to live forever." - Gunnery Sergeant Dan Daly
"The deadliest weapon in the world is a Marine and his rifle. -General Pershing
All quotes that came out of The Battle of Belleau Wood.
Marines often resorted to hand-to-hand fighting with bayonets and knives. So intense was the fighting of US Marines, the Germans gave the nickckname Teufel Hunden, or Devil Dogs".
There are different accounts of fighting, but basicly it all boils down to how bad ass the Marines are.