AACC All Arms Commando Course

ABU(H) Amphibious Beach Unit (Heavy)

ABU(L) Amphibious Beach Unit (Light)

ACMT Annual Combat Marksmanship Test

ACOG Advanced Combat Optical Gunsight

AFCO Armed Forces Careers Office

AFV Armoured Fighting Vehicle

AIB Admiralty Interview Board

ALES Amphibious Leaders Expeditionary Symposium

AO Area Of Operations 

AOR Area Of Recruitment 

APROC Air Centric Personnel Recovery Operatives Course 

APT(N) Atlantic Patrol Task (North)

ASG Armoured Support Group 

ASP Assault Ship Party 

ATG Amphibious Task Group 

BRV Beach Recovery Vehicle 

BENELUX Belgium, Netherlands, Luxembourg 

BF BIOT British Forces British Indian Ocean Territory 

BFI Bulk Fuel Installations 

BFSAI British Forces South Atlantic Islands 

BFT Basic Fitness Test BMaj Bugle Major (RMBS)

BSA Beach Support Area 

BSI Basic Ski Instructor 

BSS Board & Search School 

BUND Built Up Natural Defence 

CAF Commander Amphibious Forces 

CALFEX Combined Arms Live Firing Exercise 

CASEVAC Casualty Evacuation 

CAST Command and Staff Trainer 

CBRN Chemical, Biological, Radiological and Nuclear 

CCF Combined Cadet Forces 

CCTE Close Country Tropical Environment 

CDA Chemical Decontamination Area 

CET Combat Enhancement Training 

CFSG Commando Forces Support Group 

CFSG Commando Forward Surgical Group 

CGRM Commandant General Royal Marines 

CHF Commando Helicopter Force 

CI Combat Intelligence 

CIAT Counter Illicit Arms Trafficking 

CIS Communication Information System 

CIT Ops Counter Illicit Trafficking Operations 

CJEF Combined Joint Expeditionary Force