Navy NEC · Intelligence
Current service use not established
This code is listed in the directory. Inclusion alone does not confirm current service use.
A Navy Enlisted Classification: a skill designation sailors hold in addition to their rating.
A Defense Counterintelligence Agent conducts active and passive counterintelligence collections, missions, and functions. This credentialed DoD counterintelligence agent performs authorized or directed activities under national, DoD, and Navy policy and guidance.
Minimum clearance: TS/SCI
Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.
Active and passive counterintelligence collection provides a foundation for civilian intelligence gathering and source validation.
How to prepare: Build a short analysis sample using public information, corroborating findings across sources and identifying gaps in the evidence.
[1] NEC entry "851A - Defense Counterintelligence (CI) Agent"; cached text line 22195; NAVPERS 18068F Vol II, 2026-07 edition
Supports: Active and passive counterintelligence collection, Counterintelligence operations within jurisdictional and policy limits, Intelligence Analysts (O*NET 33-3021.06)
[2] O*NET 30.3 occupational data
Supports: Intelligence Analysts (O*NET 33-3021.06)
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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