| Abbreviation | Definition |
|---|---|
| CTR1 | mmunications Technician (collection) Petty Officer 1st Class |
| CTR1 | yptologic (collection) Petty Officer 1st Class |
| CTR2 | Communications Technician (collection) Petty Officer 2nd Class |
| CTR2 | Cryptologic (collection) Petty Officer 2nd Class |
| CTR2 | mmunications Technician (collection) Petty Officer 2nd Class |
| CTR2 | yptologic (collection) Petty Officer 2nd Class |
| CTR3 | Communications Technician (collection) Petty Officer 3rd Class |
| CTR3 | Cryptologic (collection) Petty Officer 3rd Class |
| CTR3 | mmunications Technician (collection) Petty Officer 3rd Class |
| CTR3 | yptologic (collection) Petty Officer 3rd Class |
| CTRC | Communications Technician (collection) Chief Petty Officer |
| CTRC | Cryptologic (collection) Chief Petty Officer |
| CTRC | mmunications Technician (collection) Chief Petty Officer |
| CTRC | yptologic (collection) Chief Petty Officer |
| CTRCM | Communication Technician (collection) Master Chief Petty Officer |
| CTRCM | Communication Technician (special Devices) Master Chief Petty Officer |
| CTRCM | Cryptologic (collection) Master Chief Petty Officer |
| CTRCM | mmunication Technician (collection) Master Chief Petty Officer |
| CTRCM | mmunication Technician (special Devices) Master Chief Petty Officer |
| CTRCM | yptologic (collection) Master Chief Petty Officer |