Army MOS · Combat & Infantry
T3 Ground-based Midcourse Defense (GMD) System
Current service use not established
This code is listed in the directory. Inclusion alone does not confirm current service use.
Overview
A Ground-based Midcourse Defense System operator operates the Ground-based Midcourse Defense System. The operator fills positions that specifically require training on the system.
Notes & Sources
- T3 (Ground-based Midcourse Defense (GMD) System) is an Army Additional Skill Identifier (proponent: ), not a standalone military occupation.
- Authority scope: "Identifies positions requiring soldiers who are trained to operate the Ground-based Midcourse Defense (GMD) System." Award requirement: "Must have completed either: (1) The GMD Operator Basic and Advance courses prior to 1 October 2004 conducted under the auspices of the USA Space & Missile Defense Command …" Restrictions: "(1) Positions." 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 T3 Ground-based Midcourse Defense (GMD) System
[1] Table 12-2 numerical listing of ASIs, entry 'Code: T3 ', lines 4222-4234
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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