Operating engineers and other construction equipment operators perform work familiar to some military personnel.

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

12A
Engineer Senior Sergeant (Enlisted)
12B
Combat Engineer (Enlisted)
12C
Bridge Crewmember (Enlisted)
12G
Quarrying Specialist (RC) (Enlisted)
12N
Horizontal Construction Engineer (Enlisted)
12V
Concrete and Asphalt Equipment Operator (Enlisted)
12W
Carpentry and Masonry Specialist (Enlisted)
13B
Cannon Crewmember (Enlisted)
13M
Multiple Launch Rocket System (MLRS)/High Mobility Artillery Rocket System (HIMARS) Crewmember (Enlisted)
13R
Field Artillery (FA) Weapons Locating Radar (WLR) Specialist (Enlisted)
140K
Air and Missile Defense (AMD) Systems Tactician (Warrant Officer only)
140L
Air and Missile Defense (AMD) Systems Technician (Warrant Officer only)
14E
PATRIOT Fire Control Enhanced Operator/Maintainer (Enlisted)
18C
Special Forces Engineer Sergeant (Enlisted)
19A
Armor (Commissioned Officer only)
19K
M1 Armor Crewman (Enlisted)
915A
Automotive Maintenance Warrant Officer (Warrant Officer only)
915E
Senior Automotive Maintenance Warrant Officer/Senior Ordnance Logistics Warrant Officer (Warrant Officer only)
919A
Engineer Equipment Maintenance Warrant Officer (Warrant Officer only)
91L
Construction Equipment Repairer (Enlisted)
91P
Self Propelled Artillery Systems Maintainer (Enlisted)

The following military occupations are no longer in active use:

12D
Powered Bridge Specialist (Enlisted)
12F
Engineer Tracked Vehicle Crewman (Enlisted)
21E
Construction Equipment Operator (Enlisted)
21J
General Construction Equipment Operator (Enlisted)
62E
Heavy Construction Equipment Operator (Enlisted)
62J
General Construction Equipment Operator (Enlisted)
62K
Grader Operator (Enlisted)
62L
Wheeled Tractor Operator (Enlisted)
62M
Rough Terrain Forklift and Loader Operator (Enlisted)