U.S. Army Human Resources Command

In the left-hand block, enter the three or four position code for your Branch Area of Concentration (21B, 31A, 74A, etc) or Primary Military Occupational Specialty (420A, 153D, etc). In the right-hand block, enter the three position code for your Functional Area of Concentration (41A, 51A, 54A, etc) or Secondary MOS, if you have one. ................
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