Sergeant Major of the Marine corps (SgtMajMC)3 chevrons4 rockersUSMC Emblem in the middle O-1 Second Lieutenant (2ndLt)1 gold bar O-2 First Lieutenant (1stLt)1 silver bar O-3 Captain (Capt)2 silver bars O-4 Major (Maj)gold oak leaf O-5 Lieutenant colonel (LtCol)silver oak leaf ...
First Sergeant Major of the Marine Corps SgtMaj Wilbur Bestwick Grand old man and first general commandant of the marine corps General Archibald Henderson 13th Commandant of the marine corps General John A. Lejeune Most decorated Marine Lieutenant General Lewis B. "Chesty" Puller ...