Army · MOS history

98Z5 Signals Intelligence (Electronic Warfare) / Senior Sergeant / Chief

Converted to 35Z, dated October 1, 2007 by the source.

Search legacy codes Browse Army specialties

Codes named in this history

Listed in today's directory

These codes have directory pages; their current use has not been reviewed, so no current claim is made here.

35ZIntelligence Master Sergeant

Documented history

Signals Intelligence (Electronic Warfare) / Senior Sergeant / Chief

DA Pam 611-21 Table 10-4 maps predecessor MOSC 98Z5 to 35Z; source successor entries: 35Z SIGNALS INTELLIGENCE (SIGINT) SENIOR SERGEANT/SIGINT CHIEF; conversion effective 01 Oct 2007.

Source documents (1)

DA Pam 611-21, chapter 10, Table 10-4, Enlisted MOS Conversion Listing
1. Table 10-4, PDF p. 301 · source dated 2025
PDF page 301 (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.