Navy Rating CT

Cryptologic Technician (CTI Interpretive, CTM Maintenance, CTR Collection, CTT Technical)

Navy CT (Cryptologic Technician (CTI Interpretive, CTM Maintenance, CTR Collection, CTT Technical)) typically involves mechanical systems maintenance, electronics and systems troubleshooting, analytical and intelligence-related work.

Common Exposures

🧪 Chemicals
Solvents, flux, cleaning agents for electronics
🔊 Noise
Equipment noise in work areas
💪 Physical Strain
Repetitive hand motions, awkward positions
🪖 Combat/Stress
Handling classified intel, deployment stress
💪 Physical Strain
Prolonged sitting, screen time
🔊 Noise
Engine and machinery noise
🧪 Chemicals
Diesel fumes, oil, solvents, hydraulic fluid
💪 Physical Strain
Heavy lifting, repetitive motions
🌦️ Environmental
Heat, confined engine spaces

Likely Service-Connected Conditions

Diagnostic Code Condition Likelihood Reasoning
5237 Lumbosacral or cervical strain High Heavy lifting and awkward positions
6260 Tinnitus, recurrent High Constant engine and machinery noise
5242 Degenerative arthritis, degenerative disc disease other than intervertebral disc syndrome (also, see either DC 5003 or 5010) Medium Repetitive strain from mechanical work
6847 Sleep Apnea Syndromes Medium Shift work and irregular schedules
8100 Migraine Medium Screen time and stress-related migraines
9411 Posttraumatic stress disorder Medium Exposure to disturbing intelligence content
9434 Major depressive disorder Medium High-stress classified work environment

☢️ PACT Act & Toxic Exposure

Select the era that best matches when you served to see how this job’s toxic exposures changed over time.

PACT Act guide Use exposure finder
Vietnam Era 📅 1962-1975
No era-specific PACT Act crosswalk data is available for this job in that time period.
Cold War Era 📅 1945-1991
No era-specific PACT Act crosswalk data is available for this job in that time period.
Gulf War Era 📅 1990-2001
No era-specific PACT Act crosswalk data is available for this job in that time period.
Post-9/11 Era 📅 2001-present
No era-specific PACT Act crosswalk data is available for this job in that time period.