Army · MOS history
Converted to 31S, dated April 1, 1994 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: 25S Satellite Communications Systems Specialist (SATCOM Sys Sp), also listed in today's directory
Satcom System Rep
DA Pam 611-21 Table 10-4 maps predecessor MOSC 29Y4 to 31S; source successor entries: 31S SATELLITE COMMUNICATION SYSTEMS OPERATOR- MAINTAINER; conversion effective 01 Apr 1994.
1. Table 10-4, PDF p. 252 · source dated 2025
PDF page 252 (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.