Welcome to the Navy Drug and Alcohol Deterrence (OPNAV N173)
[UPDATED/ VERIFIED 22 FEB 2023]
[OPNAV Instruction 5350.4E is most current version of instruction]
Our Mission
Support Fleet readiness by fighting drug and alcohol misuse.
***NEW***(<90 days old)
OPNAVINST 5350.4E and OPGUIDES Now Available
OPNAV Instruction 5350.4E is approved as of 28 March and available online here. 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.
ADAMS for Leaders Available
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.
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.
COVID-19 Updates and OPNAV N173A Response
NAVADMIN 100/21 announces the full resumption of urinalysis testing but with the precautions and procedures to test safely in a COVID-19 environment. The briefing card with frequently asked questions about the NAVADMIN is available here. You can also read the full NAVADMIN 100/21.
March DDD Newsletter & Women's Health Month
Download the March Newsletter. This issue focus is healthy eating awareness. This issue also includes information regarding CBD regulations, quality of life with a nutritional highlight, and National Nutrition Month. Find Navy and Marine Corps Public Health Center's Healthy Eating Month here.
Check out our updated iFTDTL page and find frequently asked questions (FAQs) here. Please send all iFTDTL and NDSP/UPC inquiries to the respective email addresses below or call the Support Desks and leave a voicemail message if not answered immediately. OPNAV N173A staff is teleworking and limited to answering one line at a time.
iFTDTL support: (901) 874-2458; MILL_DTADMIN@NAVY.MIL
Command letters of RECOMMENDATION (Formerly DETERMINATION): MILL_N17_DDR@NAVY.MIL
Synthetic drug testing: (901) 874-4232; MILL_SDTESTREQ@NAVY.MIL
ADMITS: (901) 874-4214; MILL_N17_ADMITS@NAVY.MIL
USMC: (703) 784-9526
NDSP support/password reset: (901) 874-4204; MILL_NDSP@NAVY.MIL
Department of the Navy
21st Century Sailor Office
DDD OPNAV N173
Bldg 457 Rm 249
5720 Integrity Drive
Millington, TN 38055-6000