Navy Officer designator · Support
749X Security Technician CWO
Current service use not established
This code is listed in the directory. Inclusion alone does not confirm current service use.
A Navy officer classification, not an enlisted rating.
Overview
Security Technician chief warrant officers direct technical and tactical work in force protection, antiterrorism, physical security, law enforcement, and corrections. They manage Navy Security Forces training and readiness, develop certification programs and technical procedures, and coordinate mission assurance personnel for operations ashore and afloat.
Notes & Sources
- NOOCS Part A (Edition 96, Jul 2026) prints officer code 749X as “Security Technician…”, paired with its Chief Warrant Officer billet row (billet 7490 requiring the specialty); the row states who holds the code and which specialty the billet requires, not what duties every holder performs. See the cited block for the exact pairing text.
- Because the Navy carries no duty, training, or clearance prose at designator level, occupation-specific recommendations are not published here; a 749X officer’s duties depend on the assigned billet.
Evidence for this guidance (1 document)
- NAVPERS 15839I Vol I Part A · Billet and Officer Designator Codes (NOOCS Edition 96, Jul 2026)
[1] Part A officer designator table, block 749X, cached text line 1059
Supports: Specialty definition
Source review recorded September 24, 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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