’16, M-16 – standard military rifle
     122 – enemy weapon, 122 mm rocket
     123, C-123 – two engine cargo aircraft
     130, C-130 – four engine cargo aircraft
     20, 20 mm – mini-canon used on aircraft
     .22 – 22 caliber weapon – light pistol
     203, M-203 – 40 mm grenade launcher mounted under a rifle barrel
     .45 – 45 caliber pistol
     4.2 – “four deuce”, 4.2 inch mortar
     .50 – 50 caliber machine gun
     .51 – enemy weapon, 51 caliber machine gun
     ’60, M-60 – 7.62 mm machine gun
     7.62 mini – 7.62 mm mini-gun
     80 – 80 mm mortar
     AA – anti-aircraft
     AK, AK-47 – enemy weapon, standard Warsaw Pact rifle
     AO – acronym, Area of Operations
     Arclight – B-52 strike
     ARvn – acronym, Army of the Republic of Viet Nam
     BDA – acronym, Bomb Damage Assessment
     Berm – a defensive wall of earth
     Bird – an aircraft, usually a helicopter
     Black Bird – USAF aircraft for special operations, named for  
                  black paint job
     Bouncing betty – type of mine blown into the air before   
                      detonation to increase casualties
     Browning – a 9 mm pistol
     Bru – a tribe of Montagnards, q.v.
     Bunker – a protective shelter
     C & C – Command and Control, see “Special Project”
     CAR, CAR-15 – rifle, carbine version of the M-16
     CCC, CCN, CCS – acronyms for military units, see “Special
     Civvies – civilian attire
     Claymore – a directional mine
     Cobra – a military helicopter used as a gun platform
     Conex – metal military container, large.
     Cork – a drug to prevent defecation, used in the field with small
     Cover one’s six – watch the rear
     Covey – the name of the USAF detachment that flew our radio    
     Crud, the – various fungi and rashes common to soldiers in warm
     DEROS – acronym, Date of Expected Return from Overseas
     Didi – Vietnamese, flee or leave rapidly
     E & E – acronym, Escape and Evasion
     Exfil – exfiltration, point of exit from AO
     FAC – acronym, Forward Air Controller
     Fast mover – a jet, usually an F-4
     Firebase – a remote artillery position, usually quite isolated
     Fire fan – the field of fire of a larger gun or mortar
     First shirt – military slang for First Sergeant, usually the   
                   highest enlisted grade in a company
     FNG – acronym, Fucking New Guy
     Grease – slang, to kill
     Hillsboro – an air force command and control aircraft
     Hootch – see “Hootch”
     HQ – acronym, HeadQuarters
     IA – acronym, Immediate Action
     IG – acronym, Inspector General
     Insert – insertion, point of entrance into AO
     Intel – intelligence information
     Jarai – a tribe of Montagnards, q.v.
     K, klick – a kilometer, the U.S. military uses the metric system
     Khaki – a sandish color, used in uniforms
     KIA – acronym, Killed In Action
     LTC – rank, Lieutenant Colonel
     LZ – acronym, Landing Zone, a site for a helicopter to land
     LZ watcher – an enemy soldier assigned to guard and report on 
                  activities on an LZ
     Medivac – medical evacuation, of injured personnel
     Mess, messhall – a military dining facility
     MIA – acronym, Missing In Action
     Mike Force – an allied reaction team, usually larger than a   
     Mini-pounder – small radar transmitter user to mark locations on
                    the ground for radar-carrying aircraft
     Montagnard – one of the indigenous hill people of Southeast Asia
     Moonbeam – nighttime name of Hillsboro, q.v.
     MOS – acronym, Military Occupational Specialty – one’s job title
     MPC – acronym, Military Payment Certificate, used in lieu of cash
     MSG – rank, Master Sergeant
     NCO – acronym, Non-Commissioned Officer
     NVA – acronym, North Vietnamese Army
     O-2 – a light observation aircraft
     O2 and benedryl – oxygen and a strong antihistamine, for 
     OAS – acronym, Organization of American States
     OFM(cap) – Catholic religious order, Order of Friars Minor
     OP – acronym, Observation Post
     Otter – light observation aircraft, an O-1
     P, piaster – monetary units of Rvn
     PH – acronym, Purple Heart, awarded for wounds received in action
     Phantom – air force fighter aircraft, the F-4
     Point, point man – the soldier who walks first in formation and
                        scouts the area ahead
     POW – acronym, Prisoner Of War
     Reckless – slang, a recoilless rifle, small artillery piece
     RON – acronym, Remain OverNight, a nighttime position
     RPD – enemy weapon, light squad machine gun
     RT – acronym, Recon Team
     RTO – acronym, Radio-Telephone Operator, the soldier who carries
           the radio
     Rvn – acronym, Republic of Viet Nam
     SEA – acronym, SouthEast Asia
     SF – acronym, Special Forces
     SFC – rank, Sergeant First Class
     SFTG – acronym, Special Forces Training Group
     SKS – enemy weapon, bolt action rifle
     Slick – troop transport helicopter, UH-1
     Slow mover – propeller driven air force fighter aircraft
     Snake – slang, a Cobra helicopter
     SOG – acronym, Special Operations Group, see “Special Project”
     SOP – acronym, Standing Operating Procedures
     SSG – rank, Staff Sergeant
     Stabo rig – special web gear allowing the wearer to be picked up
                 by the harness
     Straphang – operate with a team other than one’s own
     Tail – the soldier who walks last in formation and covers the 
     TOC – acronym, Tactical Operations Center
     TO&E, TOE – acronym, Table of Organization and Equipment, the way
                 a military unit is organized
     Tracer – military round that leaves a visible trail as it travels
     Tri-border – that area of SEA around the point where Viet Nam,
                  Cambodia and Laos meet
     V Corps – “Five Corps”, see “Special Project”
     Ville – slang, village, particularly a Montagnard village
     Watcher – see LZ watcher
     White mouse – derogatory term for the national police of Rvn
     WP, willie pete – a white phosphorus round or grenade
     ‘Yard – slang, Montagnard, q.v.
     Zero week – an unassigned first week before the commencement of a
                 school, frequently spent on details