Army MOS · Intelligence
S1 Source Handler
Current service use not established
This code is listed in the directory. Inclusion alone does not confirm current service use.
Overview
The Source Handler specialty enables soldiers to conduct Category 2 Military Source Operations. These operations collect positive intelligence information on hostile elements and activities that may threaten friendly forces deployed to a theater of operations.
Notes & Sources
- S1 (Source Handler) is an Army Additional Skill Identifier (proponent: U.S. Army Intelligence Center of Excellence and Ft Huachuca), not a standalone military occupation.
- Authority scope: "Enables soldiers to conduct Category 2 Military Source Operations (MSO) in order to collect positive intelligence information." Award requirement: "Must successfully complete one of the following HQDA G2 approved Category II Military Source Operations (MSO) courses: (1) Source Operations Course conducted at the Human …" Restrictions: "(1) For use with positions and personnel for MOS 35M (SGT-SFC)." The identifier alone does not establish a civilian occupation; occupation-specific skills and career guidance depend on the holder's primary MOS and actual duties.
Evidence for this guidance (1 document)
- DA PAM 611-21 FY2025 Smartbook ch 12 (posted 2025-12-04): ASI S1 Source Handler
[1] Table 12-2 numerical listing of ASIs, entry 'Code: S1 ', lines 4133-4147
Supports: Specialty definition
Source review recorded October 7, 2026.
Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.
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