Refrigeration mechanics and installers perform work familiar to some military personnel.

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

6104
Shore-Based Refrigeration and Air Conditioning Technician (Enlisted)
6199
Utilitiesman Basic (Enlisted)
UT
Utilitiesman (Enlisted)

The following military occupations are no longer in active use:

4223
NAMTS Air Conditioning and Refrigeration (Enlisted)
4245
SSN/SSBN Basic Auxiliary Equipment Technician (Enlisted)