Army MOS · Support
1Z Master Black Belt In Lean Six Sigma (LSS)
Current service use not established
This code is listed in the directory. Inclusion alone does not confirm current service use.
Overview
Master Black Belts in Lean Six Sigma coach and train Black Belts and Green Belts while leading process improvement projects. They apply Define, Measure, Analyze, Improve and Control and Design for Lean Six Sigma methods, guide program deployment, identify projects, solve quality problems, and share best practices.
Notes & Sources
- 1Z (Master Black Belt in Lean Six Sigma (LSS)) is an Army Additional Skill Identifier (proponent: Office of the Secretary of the Army, Office of Business Transformation (OSA-OBT)), effective 2006-06, not a standalone military occupation.
- Authority scope: "There are no positions identified for ASI 1Z." Award requirement: "Must successfully complete a prescribed Master Black Belt Lean Six Sigma Course conducted under the auspices of the Office of the Secretary of the Army, Office of Business …" 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 1Z Master Black Belt in Lean Six Sigma (LSS)
[1] Table 12-2 numerical listing of ASIs, entry 'Code: 1Z (Eff 200606)', lines 797-828
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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