Coast Guard Abbreviations Abbreviation Rank Description 1 OFFICER LIGHTHOUSE SVC USCG 1ST MUS FIRST MUSICIAN (1ST CLASS PETTY OFFICER) AA AIRMAN APPRENTICE AB1 AVIATION BOATSWAIN'S MATE PETTY OFFICER 1ST CLASS AB2 AVIATION BOATSWAIN'S MATE PETTY OFFICER 2ND CLASS AB3 AVIATION BOATSWAIN'S MATE PETTY OFFICER 3RD CLASS ABAA AVIATION BOATSWAIN'S MATE AIRMAN APPRENTICE ABAC AVIATION BOATSWAIN'S MATE (AIRSHIP RIGGER) CHIEF PETTY OFFICER ABAN AVIATION BOATWSWAIN'S MATE AIRMAN ABAR AVIATION BOATSWAIN'S MATE AIRMAN RECRUIT ABC AVIATION BOATSWAIN'S MATE CHIEFG PETTY OFFICER ABCM AVIATION BOATSWAIN'S MATE MASTER CHIEF PETTY OFFICER ABCS AVIATION BOATSWAIN'S MATE SENIOR CHIEF PETTY OFFICER ABE1 AVIATION BOATSWAIN'S MATE (LAUNCHING & RECOVERY) PETTY OFFICER 1ST CLASS ABE2 AVIATION BOATSWAIN'S MATE (LAUNGHING & RECOVERY) PETTY OFFICER 2ND CLASS ABE3 AVIATION BOATSWAIN'S MATE (LAUNCHING & RECOVERY) PETTY OFFICER 3RD CLASS ABEAA AVIATION BOATSWAIN'S MATE (LAUCHING & RECOVERY) AIRMAN APPRENTICE ABEAN AVIATION BOATSWAIN'S MATE (LAUCHING & RECOVERY) AIRMAN ABEAR AVIATION BOATSWAIN'S MATE (LAUCHING & RECOVERY) AIRMAN RECRUIT ABEC AVIATION BOATSWAIN'S MATE (LAUCHING & RECOVERY) CHIEF PETTY OFFICER ABF1 AVIATION BOATSWAIN'S MATE (FEUL HANDLER) PETTY OFFICER 1ST CLASS ABF2 AVIATION BOATSWAIN'S MATE (FUEL HANDLER) PETTY OFFICER 2ND CLASS ABF3 AVIATION BOATSWAIN'S MATE (FUEL HANDLER) PETTY OFFICER 3RD CLASS ABFAA AVIATION BOATSWAIN'S MATE (FUEL HANDLER) AIRMAN APPRENTICE ABFAN AVIATION BOATSWAIN'S MATE (FUEL HANDLER) AIRMAN ABFAR AVIATION BOATSWAIN'S MATE ()(FUEL HANDLER) AIRMAN RECRUIT ABFC AVIATION BOATSWAIN'S MATE (FUEL HANDLER) CHIEF PETTY OFFICER ABG1 AVIATION BOATSWAIN'S MATE (GASOLINE HANDLER) PETTY OFFICER 1ST CLASS ABG2 AVIATION BOATSWAIN'S MATE (GASOLINE HANDLER) PETTY OFFICER 2ND CLASS ABG3 AVIATION BOATSWAIN'S MATE (GASOLINE HANDLER) PETTY OFFICER 3RD CLASS ABGAA AVIATION BOATSWAIN'S MATE (GASOLINE HANDLER) AIRMAN APPRENTICE ABGAN AVIATION BOATSWAIN'S MATE (GASOLINE HANDLER) AIRMAN ABGAR AVIATION BOATSWAIN'S MATE (GASOLINE HANDLER) AIRMAN ABGC AVIATION BOATSWAIN'S MATE (GASOLINE HANDLER) CHIEF PETTY OFFICER ABH1 AVIATION BOATSWAIN'S MATE (AIRCRAFT HANDLER) PETTY OFFICER 1ST CLASS ABH2 AVIATION BOATSWAIN'S MATE (AIRCRAFT HANDLER) PETTY OFFICER 2ND CLASS ABH3 AVIATION BOATSWAIN'S MATE (AIRCRAFT HANDLER) PETTY OFFICER 3RD CLASS ABHAA AVIATION BOATSWAIN'S MATE (AIRCRAFT HANDLER) AIRMAN APRRENTICE ABHAN AVIATION BOATSWAIN'S MATE (AIRCRAFT HANDLER) AIRMAN ABHAR AVIATION BOATSWAIN'S MATE (AIRCRAFT HANDLER) AIRMAN RECRUIT ABHC AVIATION BOATSWAIN'S MATE (AIRCRAFT HANDLER) CHIEF PETTY OFFICER ABMAG1 AVIATION BOATSWAIN'S MATE (ARRESTING GEAR) PETTY OFFICER 1ST CLASS ABMAG2 AVIATION BOATSWAIN'S MATE (ARRESTING GEAR) PETTY OFFICER 2ND CLASS ABMAG3 AVIATION BOATSWAIN'S MATE (ARRESTING GEAR) PETTY OFFICER 3RD CLASS ABMCP1 AVIATION BOATSWAIN'S MATE (CATAPULT) PETTY OFFICER 1ST CLASS ABMCP2 AVIATION BOATSWAIN'S MATE (CATAPULT) PETTY OFFICER 2ND CLASS ABMCP3 AVIATION BOATSWAIN'S MATE (CATAPULT) PETTY OFFICER 3RD CLASS ABMGA1 AVIATION BOATSWAIN'S MATE (GASOLINE SYSTEMS) PETTY OFFICER 1ST CLASS ABMGA2 AVIATION BOATSWAIN'S MATE (GASOLINE SYSTEMS) PETTY OFFICER 2ND CLASS ABMGA3 AVIATION BOATSWAIN'S MATE (GASOLINE SYSTEMS) PETTY OFFICER 3RD CLASS ABMPH1 AVIATION BOATSWAIN'S MATE (PLANE HANDLER) PETTY OFFICER 1ST CLASS ABMPH2 AVIATION BOATSWAIN'S MATE (PLANE HANDLER) PETTY OFFICER 2ND CLASS ABMPH3 AVIATION BOATSWAIN'S MATE (PLANE HANDLER) PETTY OFFICER 3RD CLASS ABU1 AVIATION BOATSWAIN'S MATE (UTILITY) PETTY OFFICER 1ST CLASS ABU2 AVIATION BOATSWAIN'S MATE (UTILITY) PETTY OFFICER 2ND CLASS ABU3 AVIATION BOATSWAIN'S MATE (UTILITY) PETTY OFFICER 3RD CLASS ABUAA AVIATION BOATSWAIN'S MATE (UTILITY) AIRMAN APPRENTICE ABUAN AVIATION BOATSWAIN'S MATE (UTILITY) AIRMAN ABUAR AVIATION BOATSWAIN'S MATE (UTILITY) AIRMAN ABUC AVIATION BOATSWAIN'S MATE (UTILITY) CHIEF PETTY OFFICER AC1 AIR CONTROLMAN 1ST CLASS PETTY OFFICER AC2 AIR CONTROLMAN 2ND CLASS PETTY OFFICER AC3 AIR CONTROLMAN 3RD CLASS PETTY OFFICER ACAD AVIATION CADET ACBM AVIATION CHIEF BOATSWAIN'S MATE ACBMAG AVIATION CHIEF BOATSWAIN'S MATE (ARRESTING GEAR) ACBMCP AVIATION CHIEF BOATSWAIN'S MATE (CATAPULT) ACBMGA AVIATION CHIEF BOATSWAIN'S MATE (GASOLINE SYSTEMS) ACBMPH AVIATION CHIEF BOATSWAIN'S MATE (PLANE HANDLER) ACC AIR CONTROLMAN CHIEF PETTY OFFICER ACCM AVIATION CHIEF CARPENTER'S MATE ACCM AIR CONTROLMAN MASTER CHIEF PETTY OFFICER ACCS AIR CONTROLMAN SENIOR CHIEF PETTY OFFICER ACEM AVIATION CHIEF ELECTRICIAN'S MATE (CHIEF PETTY OFFICER - WWII) ACFC AVIATION FIRE CONTROLMAN CHIEF PETTY OFFICER ACM AVIATION METALSMITH CHIEF PETTY OFFICER ACM1 AVIATION CARPENTER'S MATE 1ST CLASS PETTY OFFICER ACM2 AVIATION CARPENTER'S MATE 2ND CLASS PETTY OFFICER ACM3 AVIATION CARPENTER'S MATE 3RD CLASS PETTY OFFICER ACMM AVIATION CHIEF MACHINIST'S MATE ACMMAC AVIATION CHIEF MACHINIST'S MATE ()(COMBAT AIRCREWMAN) ACMMC AVIATION CHIEF MACHINIST'S MATE (CARBURETOR MECHANIC) ACMMF AVIATION CHIEF MACHINIST'S MATE (FLIGHT ENGINEER) ACMMH AVIATION CHIEF MACHINIST'S MATE (HYDRAULIC MECHANIC) ACMMI AVIATION CHIEF MACHINIST'S MATE (INSTRUMENT MECHANIC) ACMMP AVIATION CHIEF MACHINIST'S MATE (PROPELLER MECHANIC) ACMMT AVIATION CHIEF MACHINIST'S MATE (TURBINE MECHANIC) ACOM AVIATION CHIEF ORDINANCEMAN ACOMAC AVIATION ORDNANCEMAN (COMBAT AIR CREWMAN) CHIEF PETTY OFFICER ACOMACB AVIATION ORDNANCEMAN (COMBAT AIR CREWMAN-BOMBERS) CHIEF PETTY OFFICER ACOMB AVIATION ORDNANCEMAN (BOMBSIGHT) ACOMT AVIATION CHIEF ORDNANCEMAN (TURRET MECHANIC) ACR AVIATION CHIEF RIGGER ACR1 AIR CONTROLMAN (RADAR) PETTY OFFICER 1ST CLASS ACR2 AIR CONTROLMAN (RADAR) PETTY OFFICER 2ND CLASS ACR3 AIR CONTROLMAN (RADAR) PETTY OFFICER 3RD CLASS ACRAA AIR CONTROLMAN (RADAR) AIRMAN APPRENTICE ACRAN AIR CONTROLMAN (RADAR) AIRMAN ACRAR AIR CONTROLMAN (RADAR) AIRMAN ACRM AVIATION CHIEF RADIOMAN ACRT AVIATION CHIEF RADIO TECHNICIAN ACT1 AIR CONTROLMAN (TOWER) PETTY OFFICER 1ST CLASS ACT2 AIR CONTROLMAN (TOWER) PETTY OFFICER 2ND CLASS ACT3 AIR CONTROLMAN (TOWER) PETTY OFFICER 3RD CLASS ACTAA AIR CONTROLMAN (TOWER) AIRMAN APPRENTICE ACTAN AIR CONTROLMAN (TOWER) AIRMAN ACTAR AIR CONTROLMAN (TOWER) AIRMAN RECRUIT ACW1 AIR CONTROLMAN (OPERATOR) PETTY OFFICER 1ST CLASS ACW2 AIR CONTROLMAN (OPERATOR) PETTY OFFICER 2ND CLASS ACW3 AIR CONTROLMAN (OPERATOR) PETTY OFFICER 3RD CLASS ACWAA AIR CONTROLMAN (OPERATOR ACWAN AIR CONTROLMAN (OPERATOR) AIRMAN ACWAR AIR CONTROLMAN (OPERATOR) AIRMAN RECRUIT AD1 AVIATION MACHINIST'S MATE (PETTY OFFICER 1ST CLASS) AD2 AVIATION MACHINIST'S MATE PETTY OFFICER 2ND CLASS AD3 AVIATION MACHINIST'S MATE PETTY OFFICER 3RD CLASS ADAA AVIATION MACHINIST'S MATE AIRMAN APPRENTICE ADAN AVIATION MACHINIST'S MATE AIRMAN ADAR AVIATION MACHINIST'S MATE AIRMAN RECRUIT ADC AVIATION MACHINIST'S MATE CHIEF PETTY OFFICER ADCS AVIATION MACHINIST'S MATE SENIOR CHIEF PETTY OFFICER ADE1 AVIATION MACHINIST'S MATE (ENGINE MECHANIC) PETTY OFFICER 1ST CLASS ADE2 AVIATION MACHINIST'S MATE (ENGINE MECHANIC) PETTY OFFICER 2ND CLASS ADE3 AVIATION MACHINIST'S MATE (ENGINE MECHANIC) PETTY OFFICER 3RD CLASS ADEAA AVIATION MACHINIST'S MATE (ENGINE MECHANIC) AIRMAN APPRENTICE ADEAN AVIATION MACHINIST'S MATE (ENGINE MECHANIC) AIRMAN ADEAR AVIATION MACHINIST'S MATE (ENGINE MECHI ADEC AVIATION MACHINIST'S MATE (ENGINE MECHANIC) CHIEF PETTY OFFICER ADF1 AVIATION MACHINIST'S MATE (FLIGHT ENGINEER) PETTY OFFICER 1ST CLASS ADF2 AVIATION MACHINIST'S MATE (FLIGHT ENGINEER) PETTY OFFICER 2ND CLASS ADF3 AVIATION MACHINIST'S MATE (FLIGHT ENGINEER) PETTY OFFICER 3RD CLASS ADFAA AVIATION MACHINIST'S MATE (FLIGHT ENGINEER) AIRMAN APPRENTICE ADFAN AVIATION MACHINIST'S MATE (FLIGHT ENGINEER) AIRMAN ADFAR AVIATION MACHINIST'S MATE (FLIGHT ENGINEER) AIRMAN RECRUIT ADFC AVIATION MACHINIST'S MATE (FLIGHT ENGINEER)CHIEF PETTY OFFICER ADG1 AVIATION MACHINIST'S MATE ()(CARBURETOR MECHANIC) PETTY OFFICER 1ST CLASS ADG2 AVIATION MACHINIST'S MATE (CARBURETOR MECHANIC) PETTY OFFICER 2ND CLASS ADG3 AVIATION MACHINIST'S MATE (CARBURETOR MECHANIC) PETTY OFFICER 3RD CLASS ADGAA AVIATION MACHINIST'S MATE (CARBURETOR MECHANIC) AIRMAN APPRENTICE ADGAN AVIATION MACHINIST'S MATE (CARBURETOR MECHANIC) AIRMAN ADGAR AVIATION MACHINIST'S MATE (CARBURETOR MECHANIC) AIRMAN RECRUIT ADGC AVIATION MACHINIST'S MATE (CARBURETOR MECHANIC) CHIEF PETTY OFFICER ADJ1 AVIATION MACHINIST'S MATE (JET ENGINE MECHANIC 1ST CLASS PETTY OFFICER ADJ2 AVIATION MACHINIST'S MATE (JET ENGINE) 2ND CLASS PETTY OFFICER ADJ3 AVIATION MACHINIST'S MATE (JET ENGINE) 3RD CLASS PETTY OFFICER ADJC AVIATION CHIEF MACHINIST'S MATE (JET ENGINE) ADJCM AVIATION MACHINIST'S MATE (JET ENGINE) MASTER CHIEF PETTY OFFICER ADJCS AVIATION MACHINIST'S MATE (JET ENGINE) SENIOR CHIEF PETTY OFFICER ADM ADMIRAL ADP AVIATION MACHINIST'S MATE (PROPELLER MECHANIC) ADP1 AVIATION MACHINIST'S MATE (PROPELLER MECHANIC) 1ST CLASS PETTY OFFICER ADP2 AVIATION MACHINIST'S MATE(PROPELLER MECHANIC) 2ND CLASS PETTY OFFICER ADP3 AVIATION MACHINIST'S MATE (PROPELLER MECHANIC) 3RD CLASS PETTY OFFICER ADPC AVIATION MACHINIST'S MATE (PROPELLER MECHANIC) CHIEF PETTY OFFICER ADPCM AVIATION MACHINIST'S MATE (PROPELLER MECHANIC) MASTER CHIEF PETTY OFFICER ADPCS AVIATION MACHINIST'S MATE (PROPELLER MECHANIC) SENIOR CHIEF PETTY OFFICER ADR AVIATION MACHINIST'S MATE (RECIPROCATING ENGINE) ADR1 AVIATION MACHINIST'S MATE (RECIPROCATING ENGINE) 1ST CLASS PETTY OFFICER ADR2 AVIATION MACHINIST'S MATE (RECIPROCATING ENGINE) 2ND CLASS PETTY OFFICER ADR3 AVIATION MACHINIST'S MATE (RECIPROCATING ENGINE) 3RD CLASS PETTY OFFICER ADRC AVIATION MACHINIST'S MATE (RECIPROCATING ENGINE) CHIEF PETTY OFFICER ADRCM