Data entry keyers perform work familiar to some military personnel.

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

13B
Cannon Crewmember (Enlisted)
13D
Field Artillery Automated Tactical Data System Specialist (Enlisted)
13F
Fire Support Specialist (Enlisted)
13P
Multiple Launch Rocket System (MLRS) Operations/Fire Direction Specialist (Enlisted)
13R
Field Artillery (FA) Firefinder Radar Operator (Enlisted)
FC
Fire Controlman (Enlisted)

The following military occupations are no longer in active use:

13E
Cannon Fire Direction Specialist (Enlisted)