Occupational health and safety technicians perform work familiar to some military personnel.

Jobs in this career are similar to the following job classifications in the

640A
Food Safety Officer (Warrant Officer only)
67C
Preventive Medicine Sciences (Commissioned Officer only)
67
Medical Service Corps Officer (Commissioned Officer only)
68S
Preventive Medicine Specialist (Enlisted)
72D
Environmental Science and Engineering (Commissioned Officer only)
740A
Chemical, Biological, Radiological, and Nuclear (CBRN) Warrant Officer (Warrant Officer only)
74A
Chemical, Biological, Radiological, and Nuclear (CBRN) (Commissioned Officer only)
74D
Chemical, Biological, Radiological, and Nuclear (CBRN) Specialist (Enlisted)
890A
Ammunition Warrant Officer (Warrant Officer only)
89B
Ammunition Specialist (Enlisted)
89D
Explosive Ordnance Disposal Specialist (Enlisted)

The following military occupations are no longer in active use:

91S
Preventive Medicine Specialist (Enlisted)