ABS

Acrylonitile Butadiene Styrene 

ACF

Actual Cubic Feet 

ACFM

Actual Cubic Feet per Minute 

ACGIH

American Conference of Governmental Industrial Hygienists 

ACLS

Advanced Cardiac Life Support 

ADS

Advance Diving System 

AGE

Arterial Gas Embolism 

ALSS

Auxiliary Life-Support System 

AM

Amplitude Modulated 

ANU

Authorized for Navy Use List 

AQD

Additional Qualification Designator 

ARD

Audible Recall Device 

ARS

Auxiliary Rescue/Salvage Ship 

AS

Submarine Tender 

ASDS

Advanced Seal Delivery System 

ASRA

Air Supply Rack Assembly 

ASME

American Society of Mechanical Engineers 

ASU

Air Support Unit 

ATA

Atmosphere Absolute 

ATP

Ambient Temperature and Pressure 

ATS

Active Thermal System 

BC

Buoyancy Compensator 

BCLS

Basic Cardiac Life Support 

BIBS

Built-In Breathing System 

BPM

Breaths per Minute 

BTPS

Body Temperature

BTU

British Thermal Unit 

CDO

Command Duty Officer 

CDU

Consolidated Diving Unit 

CETU

Closed-Circuit Television 

CGA

Compressed Gas Association 

CNO

Chief of Naval Operations 

CNS

Central Nervous System 

CONUS

Continental United States 

COSAL

Coordinated Shipboard Allowance List 

CPR

Cardiopulmonary Resuscitation 

CRS

Chamber Reducing Station 

CSMD

Combat Swimmer Multilevel Dive 

CSS

Coastal System Station 

CUMA

Canadian Underwater Minecoutermeasures Apparatus 

CWDS

Contaminated Water Diving System 

CWPDS

Chemical Warfare Protective Dry Suit 

DATPS

Divers Active Thermal Protection System 

DC 

Duty Cycle 

DCIEM

Defense & Civil Institute of Environmental Medicine 

DCS

Decompression Sickness 

DDC

Deck Decompression Chamber 

DDS

Deep Diving System 

DDS

Dry Deck Shelter 

DHMLS

Divers Helmet Mounted Lighting System 

DLSE

Diving Life-Support Equipment 

DLSS

Divers Life Support System 

DMO

Diving Medical Officer 

DMS

Dive Monitoring System 

DMT

Diving Medical Technician 

DOT

Department of Transportation 

DRS

Dive Reporting System 

DSI

Diving Systems International 

DSM

Diving System Module 

DSRG

Deep Submergence Review Group 

DSRV

Deep Submergence Rescue Vehicle 

DSSP

Deep Submergence System Project 

DT

Dive Time or Descent Time 

DT/DG

Dive Timer/Depth Gauge 

DTC

Definitive Treatment Chamber 

DUCTS

Divers Underwater Color Television System 

DV

Diver 

DVPS

Diver Propulsion Vehicles 

EAD

Equivalent Air Depth 

EBA

Emergency Breathing Apparatus 

EBS

I Emergency Breathing System I 

EBS

II Emergency Breathing System II 

EDF

Experimental Diving Facility 

EDU

Experimental Diving Unit (Canadian) 

EDWS

Enhanced Diver Warning System 

EEC

Emergency Evacuation Chamber 

EGS

Emergency Gas Supply 

ENT

Ear

EOD

Explosive Ordnance Disposal 

EPs

Emergency Procedures 

ESDS

Enclosed Space Diving System 

ESSM

Emergency Ship Salvage Material 

FADS I 

Flyaway Air Dive System I