250X Special Duty Officer-Health Care Administration, Optometry, Pharmacy, or Medical Specialist
The United States Navy uses the designator 250X for Judge Advocate General’s Corps Officers. Staff corps officers in the Navy are specialists in fields such as: Physicians, Lawyers, Civil engineers, Chaplains, Supply specialists.
The Navy uses the Navy Enlisted Classification (NEC) system to organize its jobs. The Army and Marines use the Military Occupational Specialty Code (MOS).