Army · MOS history

31U3 Signal Support Systems Specialist

Converted to 25U, dated January 1, 2005 by the source.

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25USignal Operations Support Specialist (Sig Ops Spt Spc)

Documented history

Signal Support Systems Specialist

DA Pam 611-21 Table 10-4 maps predecessor MOSC 31U3 to 25U; source successor entries: 25U SIGNAL OPERATIONS SUPPORT SPECIALIST; conversion effective 01 Jan 2005.

Source documents (1)

DA Pam 611-21, chapter 10, Table 10-4, Enlisted MOS Conversion Listing
1. Table 10-4, PDF p. 255 · source dated 2025
PDF page 255 (opens in a new tab)

Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.