The Marine Corps MOS 1161 is a Refrigeration and Air Conditioning Technician. These technicians install, operate, and repair heating, refrigeration, and air conditioning systems. Their duties include:
Installing refrigerating systems according to engineering specifications
Recovering and recycling gases or fluids into systems
Dismantling and testing malfunctioning systems
Repairing systems by replacing or adjusting
Refrigeration and Air Conditioning technicians must be certified by the Environmental Protection.