Why are marines called marines?

Paul Frick, Former infantry Staff Sergeant, United States Marine Corps. 3 combat tours, 3 ye · Author has 2.5k answers and 38.7m answer views They have their name because their original purpose is set up around infantry roles in Naval Warfare. read more

"Jarheads" is a slang term for Marines that was coined by sailors during World War II. The initial intent was as an insult toward Marines, but Marines embraced the term, and it gained acceptance as a descriptor for them. read more

The Navy was desperate to come up with a derogatory term for Marines who called them deck apes, swab jockeys and more recently Squids, so, seeing a Marine in his Dress Blues with his white cover [hat] they decided his cover looked like a jar lid. read more