Army · MOS history
Converted to 25L, dated January 1, 2005 by the source.
Historical steps
The source names a code the branch later retired, or whose reviewed record is historical. Its story continues on that code's own page.
Recorded successor: 25B Information Technology Specialist (Info Tech Spec), also listed in today's directory
Recorded successor: 25H Network Communication Systems Specialist (Net Com Sys Spec), also listed in today's directory
Cable Systems Installer- Maintainer
DA Pam 611-21 Table 10-4 maps predecessor MOSC 31L1 to 25L; source successor entries: 25L CABLE SYSTEMS INSTALLER- MAINTAINER; conversion effective 01 Jan 2005.
1. Table 10-4, PDF p. 253 · source dated 2025
PDF page 253 (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.