This will be a start:

List of acronyms used on the ETS- forum:

AIRSAVE - (USAF) (see also, PALS & MOLLE)
ABCDE= Airway/ Breathing/ Circulation/ Disability/ Exposure
ABD-pad= ABDominal pad
ALICE - All-Purpose Lightweight Carrying Equipment
ALS= Advanced Life Support
ATLS- Advanced Trauma Life Support
AM - Amplitude Modulation
AIRSAVE - (USAF) (see also, PALS & MOLLE)
AMK: Adventure Medical Kits
ASP: Aviation Survival Pak
ABG= Arterial Blood Gas
AFAIK - As Far As I Know
AOT - As Opposed To

BLS= Basic Life Support
BOB=BugOut or BailOut Bag
BOT= Bag of tricks
BOV= Bug Out Vehicle
BTW - By the Way
AFAIK - As Far As I Know

CB - Citizens Band
CHP - California highway patrol
CPR - Cardio Pulmonary Resuscitation
CRKT - Columbia River Knife and Tool
CW - Continuous Wave (synonymous with radio Morse Code)

"DW" means "Dear Wife"
"DH" means "Dear Husband" (or sometimes Damn Husband!)
"DD" is "Dear Daughter"
DIY - Do it Yourself

EDC=Every Day Carry
EAS - Emergency Alert System
EMP - Electro-Magnetic Pulse
Epirb: Electronic positioning indicating radio beacon
EBR - Energy bar wrapper (??)
EDC - Everyday carry
ETS - Equipped to survive
E&E= Escape and Evasion
EMS= Emergency Medical Support
EMT= Emergency Medical Technician

FCOL= For Crying Out Loud
FWIW - For What it’s worth.
FM - Frequency Modulation
FRS - Family Radio Service
FSK: Fire Starting Kit
FAK: First Aid Kit
FEMA: Federal Emergency Management Agency
FUBAR - Fouled Up Beyond All Repair (polite form)

GMDSS=Global Maritime Distress and Safety System
GMRS - General Mobile Radio Service
GPS - Global Positioning Satellite

Ham - Amateur radio operator (not really an acronym)
HF - High Frequency
HTH - Hope this helps

IIRC - If I recall Correctly
IMHO - In my humble opinion (also; In my honest Opinion)
IME - In My Estimation
IOW - In Other Words
IANAL - I am not a lawyer

KISS= Keep it Simple and Stupid

LBTOJ - Little brown truck of joy ( UPS)
LED - Light Emitting Diode
LTS - Long Term Survival
LE - Law Enforcement
LEO - Law Enforcement Officer

MOLLE - Modular Lightweight Load-carrying Equipment (USMC) (also PALS)
MRE - Meals Ready to Eat (Military Rations)
MURS - Multi-Use Radio Service
MMT: Mobile Medical Team
MVA= Motor Vehicle Accident

NOAA - National Oceanic & Atmospheric Administration
NBC= Nuclear/ Biological/ Chemical

OTOH - On the Other Hand
ORS= Oral Rehydratation Salts

PSK: Personal Survival Kit
PALS - Pocket Attachment Ladder System (US Army) (also MOLLE)
POV - Privately Owned Vehicle
PSP - Pocket Survival Pak
PHTSL= Pre Hospital Trauma Life Support
PLB= Personal Locator Beacon

RSK - Ritter survival knife
RSKM2 – Ritter Survival Knife w/ M2 High Speed Steel
RTG’S - Radioisotope thermal electric generators

SOS= Save Our Soals
SAK: Swiss Army Knife
SAR=Search And Rescue
SWAT: Special Weapons And Tactics
SF: Special Forces
SAME - Specific Area Message Encoding (NOAA EAS feature)
SCUBA - Self Contained Underwater Breathing Apparatus
SAR - Search and rescue
SAS - Special air service
SRLB - Self Righting Life Boat
STS= Short Term Survival
SIFMS -Sugar I forgot my stuff (polite version)
SNAFU - Situation Normal All Fouled Up (polite form)

TANSTAAFL= There Ain't No Such Thing As A Free Lunch.

WRT - With Respect To….
WTF= What The F**k
WTSFTF= When The S**t Hits The Fan
WYSIWYG = What you see is what you get

YASKT = Yet Another Survival Kit Thread
YMMV = Your Mileage may vary