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

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

4228
NAMTS Air Conditioning and Refrigeration Technician (Enlisted)
6104
Shore-Based Refrigeration and Air Conditioning Technician (Enlisted)
6199
Utilitiesman Basic (Enlisted)
AS
Aviation Support Equipmentman (Enlisted)
EN
Engineman (Enlisted)
MM
Machinist's Mate (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)