Abbreviation Rank Description 1ST LIEUT FIRST LIEUTENANT 1ST LT FIRST LIETUENANT 1ST SERG FIRST SERGEANT 1ST SGT FIRST SERGEANT 2D LIEUT SECOND LIEUTENANT 2ND LEADER SECOND LEADER (US MARINE BAND) 2ND LT SECOND LIEUTENANT A CPL ACTING CORPORAL ACK ASSISTANT COOK APP APPRENTICE ATT1 MESS ATTENDANT FIRST CLASS ATT2 MESS ATTENDANT SECOND CLASS AVN CDT AVIATION CADET BRIG GEN BRIGADIER GENERAL CAPT CAPTAIN CCK CHIEF COOK CK1 COOK FIRST CLASS CK2 COOK SECOND CLASS CK3 COOK THIRD CLASS CMC COMMANDANT OF THE MARINE CORPS CMG CHIEF MARINE GUNNER COL COLONEL CORP CORPORAL CPC CHIEF PAY CLERKCLERK CPL CORPORAL CQMC CHIEF QUARTERMASTER CLERK CWO CHIEF WARRANT OFFICER CWO2 CHIEF WARRANT OFFICER CWO3 CHIEF WARRANT OFFICER CWO4 CHIEF WARRANT OFFICER DRM MAJ DRUM MAJOR DRUMMER DRUMMER FLD CK FIELD COOK FM FIELD MUSICIAN FM CORP FIELD MUSICIAN CORPORAL FM CPL FIELD MUSICIAN CORPORAL FM SERG FIELD MUSICIAN SERGEANT FM SGT FIELD MUSICIAN SERGEANT FM1 FIELD MUSICIAN FIRST CLASS GEN GENERAL GY SGT GUNNERY SERGEANT L CPL LANCE CORPORAL LIEUT COL LIEUTENANT COLONEL LIEUT GEN LIEUTENANT GENERAL LT COL LIEUTENANT COLONEL LT GEN LIEUTENANT GENERAL M CK MASTER COOK M GY SGT MASTER GUNNERY SERGEANT M SGT MASTER SERGEANT M STD MASTER STEWARD MAJ MAJOR MAJ GEN MAJOR GENERAL MARCAD MARINE AVIATION CADET MARINE CONTINENTAL MARINES (HISTORIC DIVISION USMC) MESS CPL MESS CORPORAL MESS SGT MESS SERGEANT MG MARINE GUNNER MT SGT MASTER TECHNICAL SERGEANT MUS 1 MUSICIAN 1 CL MUS 2 MUSICIAN 2 CL MUS 3 MUSICIAN 3 CL P SERG PLATOON SERGEANT PC PAY CLERK PFC PRIVATE FIRST CLASS PL SGT PLATOON SERGEANT PM SERG PAYMASTER SERGEANT PM SGT PAYMASTER SERGEANT PRIN MUS PRINCIPAL MUSICIAN PVT PRIVATE QM SERG QUARTERMASTER SERGEANTSERGEANT QM SGT QUARTERMASTER SERGEANT QMC QUARTERMASTER CLERK S SGT STAFF SERGEANT SERG SERGEANT SGT SERGEANT SGT MAJ SERGEANT MAJOR SGTMAJMC SERGEANT MAJOR OF THE MARINE CORPS STD1 STEWARD FIRST CLASS STD2 STEWARD SECOND CLASS STD3 STEWARD THIRD CLASS STDA1 STEWARDS ASSISTANT FIRST CLASS STDA2 STEWARDS ASSISTANT SECOND CLASS STDA3 STEWARDS ASSISTANT THIRD CLASS STDT STEWARD TECHNICIAN SUP SERG SUPPLY SERGEANT SUP SGT SUPPLY SERGEANT T GY SGT TECHNICAL GUNNERY SERGEANT T SGT TECHNICAL SERGEANT TRUMPETER TRUMPETER WO WARRANT OFFICER WO1 WARRANT OFFICER