The bold underline rating and title is what my classification in the Navy is.

Rating Name	Titles	Isignia
AB	Aviation Boatswain's Mate Launching And Recovery Aviation Boatswain's Mate Fuels Aviation Boatswain's Mate Aircraft Handling
AC	Air Control Controller
AD	Aviation Machinist's Mate
AE	Aviation Electrician's Mate
AG	Aerographer's Mate
AK	Aviation Storekeeper
AM	Aviation Structural Mechanic Safety Equipment Aviation Structural Mechanic Hydraulic
AO	Aviation Ordinanceman
AS	Aviation Support Equipment Technician
AT	Aviation Electronics Technician
AW	Aviation Antisubmarine Warfare Operator
AZ	Aviation Maintenance Administrationman
BM	Boatswain's Mate
BU	Builder
CE	Construction Electrian
CM	Construction Mechanic
CT	Cryptologic Technician Administrative Cryptologic Technician Interpretive Cryptologic Technician Maintenance Cryptologic Technician Communication Cryptologic Technician Collection Cryptologic Technician Technical
DC	Damage Controlman
DK	Disbursing Clerk
DM	Illustrator/Draftsman
DS	Data Systems Technician
DT	Dental Technician
EA	Engineering Aide
EM	Electrician's Mate
EN	Engineman
EO	Equipment Operator
ET	Electronics Technician
EW	Electronics Warfare Technician
FC	Fire Controlman
FT	Fire Control Technician
GM	Gunner's Mate Guns Gunner's Mate Missiles
GS	Gas Turbine System Technician Electrical Gas Turbine System Technician Mechanical
HM	Hospital Corpsman
HT	Hull Maintenance Technician
IC	Interior Communications Electrician
IM	Instrumentman
IS	Intelligence Specialist
JO	Journalist
LI	Lithographer
LN	Legalman
MA	Master-at-Arms
MM	Machinist's Mate
MN	Mineman
MR	Machinery Repairman
MS	Mess Management Specialist
MT	Missile Technician
MU	Musician
NC	Navy Counselor
OM	Opticalman
OS	Operations Specialist
OT	Ocean Systems Technician Analyst Ocean Systems Technician Maintainer
PC	Postal Clerk
PH	Photographer's Mate
PN	Personnelman
PR	Aircrew Survival Equipmentman
QM	Quartermaster
RM	Radioman
RP	Religious Program Specialist
SH	Ship's Serviceman
SK	Storekeeper
SM	Signalman
ST	Sonar Technician Surface Sonar Technician Submarine
SW	Steelworker
TM	Torpedoman's Mate
UT	Utilitiesman
WT	Weapons Technician
YN	Yeoman
N/A	Apprentice Training Graduate (Seaman)
N/A	Apprentice Training Graduate (Fireman)
N/A	Apprentice Training Graduate (Airman)