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AMT - Aviation Maintenance Technician

AST - Aviation Survival Technician

AV - Avionics Technician

BM - Boatswain's Mate

DC - Damage Controlman

EM - Electrician's Mate

ET - Electronics Technician

FS - Food Service Specialist

GM - Gunner's Mate

HS - Health Services Technician

IT - Information Systems Technician

IV - Investigator

MK - Machinery Technician

MST - Marine Science Technician

MU - Musician

OS - Operations Specialist (OS)

PA - Public Affairs Specialist

PS - Port Security Specialist

SK - Storekeeper

YN - Yeoman