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)
12N
Horizontal Construction Engineer (Enlisted)
13M
Multiple Launch Rocket System (MLRS)/High Mobility Artillery Rocket System (HIMARS) Crewmember (Enlisted)
13R
Field Artillery (FA) Firefinder Radar Operator (Enlisted)
14E
PATRIOT Fire Control Enhanced Operator/Maintainer (Enlisted)
18C
Special Forces Engineer Sergeant (Enlisted)
91L
Construction Equipment Repairer (Enlisted)

The following military occupations are no longer in active use:

12B
Combat Engineer (Enlisted)
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)