Marines
MOS 6123
MV-22 Crew Chief
Marines 6123 (MV-22 Crew Chief) typically involves general military occupational duties.
Common Exposures
💪 Physical Strain
Prolonged sitting, repetitive typing
Likely Service-Connected Conditions
| Diagnostic Code | Condition | Likelihood | Reasoning |
|---|---|---|---|
| 5237 | Lumbosacral or cervical strain | High | Physical job demands commonly contribute to chronic back strain |
| 8100 | Migraine | Low | Screen time and stress |
| 9434 | Major depressive disorder | Low | Work stress |
☢️ PACT Act & Toxic Exposure
Select the era that best matches when you served to see how this job’s toxic exposures changed over time.
Vietnam Era
📅 1962-1975
Agent Orange / Herbicides
PACT Act
Potential contact with herbicide contamination on aircraft, equipment, or C-123-related operations.
Extreme Noise
High-decibel jet, rotor, and flight deck noise exposure.
Hydraulic Fluid
Maintenance work around hydraulic systems, leaks, and soaked components.
JP-4 Fuel
Heavy JP-4 fuel vapor and skin-contact exposure common to Vietnam-era aviation operations.
Jet Fuel
Routine exposure to jet fuel, fuel vapors, and exhaust on the flight line.
Solvents
Degreasers, cleaners, and maintenance solvents used on airframes and components.
Cold War Era
📅 1945-1991
Extreme Noise
High-decibel jet, rotor, and flight deck noise exposure.
Hydraulic Fluid
Maintenance work around hydraulic systems, leaks, and soaked components.
Jet Fuel
Routine exposure to jet fuel, fuel vapors, and exhaust on the flight line.
Solvents
Degreasers, cleaners, and maintenance solvents used on airframes and components.
Gulf War Era
📅 1990-2001
Depleted Uranium
PACT Act
Potential depleted uranium dust contamination on returned aircraft and components.
Oil Well Fire Smoke
PACT Act
Flight line operations in smoke-laden air near burning oil fields.
Extreme Noise
High-decibel jet, rotor, and flight deck noise exposure.
Hydraulic Fluid
Maintenance work around hydraulic systems, leaks, and soaked components.
Jet Fuel
Routine exposure to jet fuel, fuel vapors, and exhaust on the flight line.
Solvents
Degreasers, cleaners, and maintenance solvents used on airframes and components.
Post-9/11 Era
📅 2001-present
Burn Pits
PACT Act
Flight line proximity to burn pit smoke and persistent airborne hazards at deployed bases.
PFAS Exposure
PACT Act
Exposure to AFFF/PFAS firefighting foam during aircraft rescue and hangar response environments.
Sand / Dust Particulates
PACT Act
Fine sand and dust ingestion into engines and maintenance workspaces.
Extreme Noise
High-decibel jet, rotor, and flight deck noise exposure.
Hydraulic Fluid
Maintenance work around hydraulic systems, leaks, and soaked components.
Jet Fuel
Routine exposure to jet fuel, fuel vapors, and exhaust on the flight line.
Solvents
Degreasers, cleaners, and maintenance solvents used on airframes and components.