UPDATED/ VERIFIED 26 November 2025
OPNAV Instruction 5350.4E is most current version of instruction.
 

***NEW***
OPNAVINST 5350.4E and OPGUIDES

The OPNAV Instruction 5350.4E is the most current version of instruction and available to read online. Users please be advised that the correct links for the OPNAVINST 5350.4E are on the following document. Find a summary of changes here. Updated OPGUIDES for ADCOs, DAPAs, UPCs, Support Programs and others are now available for download to reflect the new Instruction on the Policy & OPGuides page.  
 

The N173 November Newsletter is live view the issue here!  

OPNAV N173 Branch name has changed, the new Branch name is Navy Substance Prevention and Deterrence.

Update to the Department of Defense Drug Testing Panel: Change in Cutoff for Codeine. You can access the link here.

OUSD Nomination for DoD Drug Demand Reduction Program Awards
Every year the Office of the Under Secretary of Defense solicits nominations for the DoD Drug Demand Reduction Program Awards: the SECDEF Community Drug Awareness Award and the SECDEF Fulcrum Shield Award. The DoD established the Secretary of Defense Community Drug Awareness and Fulcrum Shield Awards to promote its support of outreach and prevention programs within the DoD community to encourage participation in the national Red Ribbon drug prevention campaign. Nominations must be submitted electronically and received no later than 6 June 2025; send via email to Mill_n17_defy@us.navy.mil. Nominations received after 6 June 2025 will not be considered. Contact the DEFY program office for more information. You can find the document here.

Our Mission
Support Fleet readiness by fighting drug and alcohol misuse.


Alcohol and Drug Abuse for Managers/Supervisors (ADAMS) for Leaders. The updated ADAMS for Leaders course is now available again on Navy e-Learning. Full instructions to access all courses are available on our Training page.

Poppy Seeds Guidance
ALNAV 035/23 clarifies the Navy’s policy on the consumption of poppy seeds. Poppy seeds may be compromised with morphine and codeine, which can cause Service Members to test positive during a routine urinalysis testing. Therefore, in accordance with policy guidelines, refrain from any consumption of all food products and baked goods containing poppy seeds.

Hemp, CBD, and Infused Energy Drink Guidance
ALNAV 074/20 clarifies Navy's prohibition on the use of hemp-derived products including but not limited to cannabidiol (CBD). This poster has information about energy drinks containing hemp/CBD.

Newsletter

The N173 November Newsletter is live! The submission for the November Newsletter focuses on the Lung Cancer and COPD awareness, Tobacco-Free Living and The Great American Smokeout, and how PTSD symptoms can be elevated during the holiday season.

The N173 December Newsletter is live! The submission for the December Newsletter focuses on the Seasonal Affective Disorder, National Pear Harbor Remembrance Day in relation to DEFY, and National Drunk and Drugged Driving prevention month.
 

Social media: The Substance Prevention and Deterrence office has media presence on YouTube. Check out the link below for more information on our uploaded videos for insight on our prevention efforts.

YouTube Link: https://www.youtube.com/@OPNAVN173

Department of the Navy
Navy Culture and Force Resilience Office 
OPNAV N173
Bldg 457 Rm 249
5720 Integrity Drive
Millington, TN 38055-6000