Army · MOS history

74B4 Information Systems Operator-Analyst

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

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25BInformation Technology Specialist (Info Tech Spec)

Documented history

Information Systems Operator-Analyst

DA Pam 611-21 Table 10-4 maps predecessor MOSC 74B4 to 25B; source successor entries: 25B INFORMATION TECHNOLOGY 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. 281 · source dated 2025
PDF page 281 (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.