Navy Cryptology Technician Collar Device Aide Insignia The large size badge is

The large size badge is worn on Full Dress

Criteria: Worn by Quartermasters (QM) with ranks from Petty Officer 3rd Class (E-4) to Petty Officer 1st Class (E-6)

Navy MAs are often called upon by commanding officers to train ship's troops in tactical boarding and seizure to deter piracy worldwide

It is normally worn above the ribbons or medals over the left breast pocket

Navy Cryptology Technician Collar Device Aide Insignia The large size badge isUnited States Navy Cryptology Technician Collar Device Criteria: Cryptologic Technician (CT) is a United States Navy enlisted rating or job specialty. The CT community performs a wide range of tasks in support of the national intelligence effort, with an emphasis on cryptology and signal intelligence related products.