The specialties of the Cadet Petty Officers who study in the Hellenic Navy’s Petty Οfficers’ Academy are classified into four fields according to their subject matter. Namely, these Fields are the First (A), the Second (B), the Third (C) and the Fourth(D). The Fields of subject matter and the specialties of each Field are mentioned below:

A. Field of Management and Administration (Field A)
Specialty: Supply Petty Officer

B. Field of Naval Operations (Field B)
Specialties: Bosun’s Mate, Operations/Communications Specialist

C. Field of Naval Weapons (Field C)
Specialty: Weapons Technician

D. Field of Technological Applications (Field D)
Specialties: Electrician, Engineering Systems Technician, Electronic Systems Technician, Computers and Networks Electronic Technician