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MOD A
MOD A DEFINITIONS, ACRONYMS, SAFETY PRECAUTIONS
103
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10/26/2011

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Term
AIR BURST
Definition
AN EXPLOSION OF A BOMB OR PROJECTILE ABOVE THE SURFACE OF THE GROUND
Term
ANTI PERSONNEL
Definition
SMALL MUNITIONS OR MINES DESIGNED TO KILL OR PREFERABLY WOUND PERSONNEL
Term
ANTI TANK
Definition
LARGE MUNITIONS OR MINES DESIGNED TO KILL TANKS OR OTHER LARGE ARMORED VEHICLES
Term
ARMOR PIERCING
Definition
DESIGNED TO PENETRATE ARMOR OR OTHER SIMILAR MATERIAL
Term
ARTILLERY AMMUNITION
Definition
AMMUNITION OF A CALIBER GREATER THAN 30MM AND NOT DESIGNED FOR SHOULDER OR HAND FIRING
3 TYPES: FIXED, SEMI-FIXED, SEPARATE LOADING
Term
BASE EJECTION
Definition
THE REARWARD EJECTION OF THE BASE OF A PROJECTILE ALONG WITH ITS CONTENTS
Term
BASE PLATE
Definition
THICK METAL BASE OR ORDNANCE THAT USUALLY SEPARATES AND TRAVELS FAR DURING FUNCTIONING OR DETONATION OF THE ORDNANCE
Term
BOMB
Definition
EXPLOSIVE OR CBRNE THAT IS THROWN BY HAND, DROPPED FROM AIRCRAFT, OR PROJECTED BY SOME SLOW MEANS.
Term
BOURRELET
Definition
CYLINDRICAL SURFACE THAT BEARS THE WEIGHT OF THE PROJECTILE IN THE BORE, IT IS THE MEASURING POINT FOR THE DIAMETER OF THE PROJECTILE AND CAN EXTEND THE FULL LENGTH OF THE PROJECTILE
Term
BULLET
Definition
A PROJECTILE FIRED, OR INTENDED TO BE FIRED FROM A SMALL ARM
Term
CALIBER
Definition
DIAMETER OF A PROJECTILE AT THE BOURRELET, OR THE INNER MEASUREMENT OF THE BORE ON A GUN.
Term
CARTRIDGE
Definition
AN ASSEMBLAGE OF THE COMPONENTS REQUIRED TO FUNCTION A WEAPON ONCE (EX. GUN AMMO CONTAINS A UNIT ASSEMBLY ALL OF THE COMPONENTS REQUIRED TO FUNCTION THE GUN ONCE WHICH IS LOADED IN ONE OPERATION
Term
CHARGE
Definition
A GIVEN QUANTITY OF EXPLOSIVES, BY ITSELF OR CONTAINED WITHIN A BOMB, PROJECTILE, MINE, OR USED AS A PROPELLANT FOR A BULLET/PROJECTILE.
Term
COCKED STRIKER
Definition
A STRIKER/FIRING PIN/DETONATOR THAT ARE HELD UNDER TENSION BY A RELEASING MECHANISM SUCH AS A SAFETY PIN ON A GRENADE
Term
DEFLAGRATION
Definition
VERY RAPID COMBUSTION, SOMETIMES ACCOMPANIED BY FLAMES AND SPARKS (EX. BURNING OF BLACK POWDER)
Term
DETONATION
Definition
AN EXPLOSION, A CHEMICAL REACTION/BURN THAT SURPASSES THE SPEED OF SOUND CREATING THE DETONATION VELOCITY WHICH RUPTURES THE OUTER CONTAINER OF THE EXPLOSIVE, IF ANY. (SUPER SONIC)
Term
DISRUPTION
Definition
TECHNIQUE TO CAUSE THE MAIN CHARGE TO LOW ORDER, OR DURING IEDS, CAUSES A BREAK IN THE FIRING TRAIN (SUB SONIC)
Term
DUD
Definition
EXPLOSIVE MUNITION WHICH HAS NOT BEEN ARMED AS INTENDED OR WHICH HAS FAILED TO EXPLODE AFTER BEING ARMED
Term
EXPLOSIVE ORDNANCE
Definition
ALL MUNITIONS THAT CONTAIN EXPLOSIVES, PYROTECHNICS, OR CBRNE THAT CAUSE DEATH/INJURY TO PERSONNEL OR DAMAGE TO MATERIAL
Term
EOD PROCEDURE
Definition
ACTION TAKEN BY EOD TO RENDER SAFE, DISASSEMBLE, NEUTRALIZE OR DISPOSE OF ORDNANCE, IN WHICH THE EOD SOLDIER OBSERVES THE SAFETIES FIRST
Term
FIN STABILIZATION
Definition
INSURES THE STEADY FLIGHT OF THE ORDNANCE WITH THE USE OF FINS
Term
FRAGMENTATION
Definition
TERM USED WITH ORDNANCE THAT IS DESIGNED TO BREAK APART OR FRAGMENT DURING DETONATION (EX. GRENADE)
1-PRIMARY (CASING)
2-SECONDARY (EVERYTHING ELSE)
Term
FUZE
Definition
INITIATOR FOR ORDNANCE AND THE ATTACKING POINT FOR MOST RENDER SAFE PROCEDURES
Term
FUZE ADAPTER
Definition
ALLOWS THE FUZE TO BE ATTACHED TO VARIOUS SIZES OF ORDNANCE, (155MM TO 105MM WITH THE SAME FUZE). ON A BOMB IT MAY BE CONNECTED TO THE PARACHUTE TO ASSIST IN CHUTE DEPLOYMENT
Term
GRAZE SENSITIVE
Definition
THE ABILITY OF A FUZE TO BE INITIATED BY GRAZING THE SURFACE AT A GLANCING ANGLE
Term
GRENADE
Definition
SMALL FRAGMENTATION DEFENSIVE OR BLAST OFFENSIVE ORDNANCE ORIGINALLY DESIGNED TO BE THROWN BY HAND, BUT NOW ALSO DESIGNED TO BE PROJECTED FROM RIFLES, SPECIAL LAUNCHERS AND DISPENSING MUNITIONS
Term
GROUND
Definition
THE FLOW OF CURRENT FROM AN ITEM IN AN ELECTRICAL CIRCUIT TO THE GROUND. A PHYSICAL CONNECTION WITH THE EARTH TO EQUALIZE POTENTIAL AND TO DISCHARGE STRAY ELECTRICAL CHARGES, PREVENTING A SOLDIER FROM PREMATURELY ACTIVATING ELECTRONIC COMPONENTS OR CAUSE AND EXPLOSIVE TOOL TO DISCHARGE
Term
HIGH EXPLOSIVE
Definition
AN EXPLOSION THAT WILL NORMALLY HIGH ORDER NOT LOW ORDER (BOOM NOT BURN)
Term
HUNG STRIKER
Definition
A STRIKER/FIRING PIN/DETONATOR WHICH REMAINS COCKED AND UNDER TENSION AFTER THE RELEASING MECHANISM IS REMOVED(EX. GRENADE WITH SAND/RUST)
Term
HYGROSCOPIC
Definition
SUBSTANCE THAT ABSORBS AND HOLDS WATER, PARTICULARLY FROM THE AIR (EX. DESICANT BAGS IN BEEF JERKY)
Term
IMPROVISED EXPLOSIVE DEVICE
Definition
THOSE DEVICES PLACED OR FABRICATED IN AN IMPROVISED MANNER INCORPORATING DESTRUCTIVE, LETHAL, NOXIOUS, PYROTECHNIC OR INCENDIARY CHEMICALS, DESIGNED TO DESTROY, DISFIGURE, DISTRACT OR HARASS
Term
MALFUNCTION
Definition
FAILURE OF ORDNANCE TO FUNCTION IN A NORMAL OR EXPECTED MANNER
Term
MINE
Definition
AN EXPLOSIVE OR OTHER MATERIAL, NORMALLY ENCASED, DESIGNED TO DESTROY OR DAMAGE GROUND VEHICLES, BOATS, AND AIRCRAFT OR DESIGNED TO WOUND, KILL OR OTHERWISE INCAPACITATE PERSONNEL. IT MAY BE DETONATED BY THE ACTIONS OF ITS VICTIMS, PASSAGE OF TIME OR BY CONTROLLED MEANS
Term
MISFIRE
Definition
FAILURE TO FIRE OR EXPLODE PROPERLY. FAILURE OF A PRIMER OR PROPELLING CHARGE TO FUNCTION, WHOLLY OR IN PART
Term
MUNITION
Definition
IN A RESTRICTED SENSE, ORDNANCE ITEMS SUCH AS BOMBS, ROCKETS, PROJECTILES, AND GRENADES
Term
NOMENCLATURE
Definition
IDENTIFYING NAME FOR ORDNANCE ITEMS, (EX. CARTRIDGE, 81MM, M43A1). ITEM MAY BE PRECEDED BY "X" WHICH IDENTIFIES IT AS EXPERIMENTAL
Term
NOSE
Definition
FOREMOST POINT OF A BOMB/PROJO/MISSILE, WHICH IS TAPERED OR ROUNDED TO PROVIDE AERODYNAMICS AND BALLISTIC STABILITY
Term
NOZZLE/VENTURI
Definition
THE PINCHED OR CONSTRICTED AREA OF A ROCKET MOTOR OR ENGINE WHERE THE FLAME AND GASES ARE RELEASED
Term
OGIVE
Definition
CURVED OR TAPERED FRONT PORTION OF A PROJECTILE
Term
ORDNANCE
Definition
EXPLOSIVES, NBC MUNITIONS, PYROTECHNICS, BOMBS, GUNS, AND AMMUNITION
Term
PROJECTILE
Definition
AN OBJECT PROJECTED BY AN APPLIED FORCE; WITHIN EOD IT IS GENERALLY APPLIED TO ARTILLERY ROUNDS/RECOILLESS RIFLE ROUNDS
Term
PROJECTILE, HIGH EXPLOSIVE PLASTIC
Definition
THIN CASED PROJECTILE THAT IS DESIGNED TO DEFEAT ARMORED OBJECTS. THEY ARE REFERRED TO AS HEP, SQUASH HEAD, OR BUNKER BUSTER ROUNDS
Term
RENDER SAFE PROCEDURE
Definition
THE PORTION OF THE EOD PROCEDURE WHICH IS DESIGNED TO PREVENT THE DETONATION OR FUNCTIONING OF THE EXPLOSIVE ORDNANCE. IT IS NORMALLY ACCOMPLISHED WITH THE AID OF SPECIAL TOOLS AND TECHNIQUES
Term
RIFLING
Definition
THE SPIRALING GROOVES IN THE GUN TUBE THAT CREATE THE SPINNING OF THE ROUNDS
Term
ROCKET
Definition
UNMANNED, SELF-PROPELLED ORNANCE WITH OR WITHOUT A WARHEAD THAT WHEN LAUNCHED ITS FLIGHT CANNOT BE CONTROLLED
Term
ROTATING BAND
Definition
SOFT METAL BAND ON TH EBASE THAT CENTERS THE ROUND IN THE BORE, CREATES THE SPIN FROM THE RIFLING, AND PREVENTS THE ESCAPE OF GASES
Term
SABOT
Definition
A CARRIER FOR A SUBCALIBER PROJECTILE SO THAT IT MAY FIT INTO A LARGER BORE GUN, THE CARRIER IS USUALLY DISCARDED AFTER IT IS FIRED FROM THE GUN
Term
SAFE
Definition
THE DETERMINATION BY EOD THAT AN ITEM IS SET OR RESET SO AS NOT TO DETONATE OR FUNCTION ACCIDENTALLY
Term
SAFE AND ARMING DEVICE
Definition
A MECHANISM WHOSE PRIMARY PURPOSE IS TO PREVENT AN UNINTENDED FUNCTIONING OF THE MAIN CHARGE PRIOR TO COMPLETION OF THE ARMING DELAY AND, IN TURN, ALLOWS THE EXPLOSIVE TRAIN OF THE AMMUNITION TO FUNCTION AFTER ARMING
Term
SAFETY
Definition
A DEVICE THAT PREVENTS ORDNANCE FROM BEING FIRED ACCIDENTALLY. PREVENTION OF CONDITIONS WHICH CAN CAUSE INJURY OR DEATH TO PERSONNEL OR DAMAGE OR LOSS OF EQUIPMENT OR PROPERTY.
Term
SMOOTH BORE
Definition
GUN TUBE THAT IS SMOOTH INSIDE. IT DOES NOT IMPART SPIN TO THE ROUND (EX. ABRAMS TANK 120MM MAIN GUN, SHOT GUNS AND SOME MORTAR TUBES)
Term
SPIN STABILIZATION
Definition
THE SPINNING OF A PROJECTILE CAUSED BY THE RIFLING IN A BARREL, KEEPING IT STRAIGHT IN FLIGHT, NOT TUMBLING
Term
STAND OFF
Definition
DISTANCE FROM THE BASE OF A SHAPE CHARGE TO THE TARGET THAT GIVES THE JET TIME TO FORM FOR PENETRATION
Term
STRONG BACK
Definition
BAR, TIMBER, OR METAL BEAM DESIGNED TO TAKE STRAIN. (EX. THE PORTION OF THE BOMB THAT CONTAINS THE LIFTING LUGS AND SUPPORTS THE WEIGHT OF THE BOMB)
Term
SUBMUNITION
Definition
SMALL MUNITIONS WITH NO STANDARD SIZE OR SHAPE, WHICH ARE DISPENSED FROM CLUSTER BOMBS, PROJECTILES, AND/OR ROCKETS)
Term
AAM
Definition
AIR TO AIR MISSILE
Term
AGM
Definition
AIR TO GROUND MISSILE
Term
AP
Definition
ARMOR PIERCING
Term
APDS
Definition
ARMOR PIERCING DISCARDING SABOT
Term
APERS
Definition
ANTI PERSONNEL
Term
APHE
Definition
ARMOR PIERCING HIGH EXPLOSIVE
Term
API
Definition
ARMOR PIERCING INCENDIARY
Term
APT
Definition
ARMOR PIERCING TRACER
Term
AT
Definition
ANTI TANK
Term
BD
Definition
BASE DETONATOR
Term
BIP
Definition
BLOW IN PLACE
Term
BLU
Definition
BOMB AND MINE UNIT
Term
CBU
Definition
CLUSTER BOMB UNIT
Term
CBRNE
Definition
CHEMICAL, BIOLOGICAL, RADIOLOGICAL, NUCLEAR, HIGH YIELD EXPLOSIVE
Term
DEMO
Definition
DEMOLITION
Term
EMR
Definition
ELECTROMAGNETIC RADIATION
Term
FAE
Definition
FUEL AIR EXPLOSIVE
Term
GBU
Definition
GUIDED BOMB UNIT
Term
HE
Definition
HIGH EXPLOSIVE
Term
HEAT
Definition
HIGH EXPLOSIVE ANTI TANK
Term
HEI
Definition
HIGH EXPLOSIVE INCENDIARY
Term
HEP
Definition
HIGH EXPLOSIVE PLASTIC
Term
HERO
Definition
HAZARDS OF ELECTROMAGNETIC RADIATION TO ORDNANCE
Term
HESH
Definition
HIGH EXPLOSIVE SQUASH HEAD
Term
MT
Definition
MECHANICAL TIME
Term
MTSQ
Definition
MECHANICAL TIME SUPER QUICK
Term
PD
Definition
POINT DETONATING
Term
PDSQ
Definition
POINT DETONATING SUPER QUICK
Term
PIBD
Definition
POINT INITIATING BASE DETONATING (HEAT ROUNDS)
Term
PUCA
Definition
PICK UP AND CARRY AWAY
Term
PWP
Definition
PLASTICIZED WHITE PHOSPHORUS
Term
RAP
Definition
ROCKET ASSISTED PROJECTILE
Term
RPG
Definition
ROCKET PROPELLED GRENADE
Term
RSP
Definition
RENDER SAFE PROCEDURE
Term
SMUD
Definition
STANDOFF MUNITIONS DISRUPTOR
Term
UXO
Definition
UNEXPLODED ORDNANCE
Term
WMD
Definition
WEAPONS OF MASS DESTRUCTION
Term
WP
Definition
WHITE PHOSPHORUS
Term
BIOLOGICAL AGENT
Definition
A MICROORGANISM WHICH CAUSES DISEASE IN PLANTS, ANIMALS, OR MAN
Term
CHEMICAL AGENT
Definition
A CHEMICAL COMPOUND USED IN WARFARE TO KILL, SERIOUSLY INJURE OR INCAPACITATE THE ENEMY BY THE CHEMICAL PHYSIOLOGICAL ACTIONS
Term
PHYSIOLOGICAL ACTIONS
Definition
THESE ARE SIGNS AND SYMPTOMS ON THE BODY AFTER EXPOSURE TO A TOXIC CHEMICAL AGENT
Term
PERSISTENCY
Definition
IS THE AMOUNT OF TIME THAT A CHEMICAL AGENT WILL REMAIN IN THE AREA. THIS IS DEPENDENT ON WEATHER CONDITIONS AND HYDROLYSIS (ABILITY TO DISSOLVE OR REACT WITH WATER). AGENTS SUCH AS AC, CK, CG, DM AND GB ARE VERY NON-PERSISTENT. WHEREAS AGENTS LIKE BX AND HD ARE VERY PERSISTENT
Term
BINARY CHEMICAL
Definition
A COMBINATION OF TWO RELATIVELY NON-TOXIC CHEMICALS THAT WHEN MIXED TOGETHER IN A MUNITION IN FLIGHT, BECOME A TOXIC CHEMICAL AGENT (EX. GB2)
Term
BLISTER AGENT
Definition
A CHEMICAL AGENT THAT ATTACKS THE MUCOUS MEMBRANES SUCH AS THE EYES, NOSE AND LUNGS. UPON SKIN CONTACT INTENSE PAIN, BLISTERS, AND BURNS OCCUR AS THE TISSUE IS DESTROYED. DEPENDING ON THE AGENT THE EFFECTS MAY BE DELAYED. THESE AGENTS ARE NOT ALWAYS FATAL. (EX. H, HD, L)
Term
BLOOD AGENTS
Definition
A CHEMICAL COMPOUND THAT AFFECTS THE TRANSFER OF OXYGEN FROM THE BLOOD TO BODY TISSUES. THE AGENT ATTACKS OR POISONS AN ENZYME CALLED CYTOCHROME OXIDASE IN THE BODY, WHICH TRANSFERS OXYGEN TO THE BLOOD SUPPLY. SYMPTOMS INCLUDE TIGHTNESS OF CHEST, NAUSEA, HEADACHE, UNCONSCIOUSNESS AND FINALLY DEATH. THESE ARE THE TYPES OF AGENTS USED IN GAS CHAMBERS TODAY. (EX. AC, CK)
Term
CHOKING AGENTS
Definition
THESE AGENTS PRIMARILY ATTACK THE LUNGS CAUSING PULMONARY EDEMA. THE LUNGS FILL WITH BODY FLUIDS AND DO NOT ALLOW AIR TO PASS THROUGH THEM. COMMONLY REFERRED TO AS "DRY LAND DROWNING". SYMPTOMS INCLUDE VOMITING, TIGHTNESS IN CHEST, COUGHING, CHOKING AND FINALLY DEATH. (EX. CG, DP)
Term
HARASSING AND INCAPACITATING AGENTS
Definition
THESE AGENTS ARE NOT DESIGNED TO KILL AN ENEMY BUT RATHER INCAPACITATE THEM, SO THAT THEIR ABILITY TO FIGHT IS WEAKENED. HARASSING AGENTS INCLUDE TEARING AGENTS (CS, CN), VOMITING AGENTS (DA, DM). BZ IS THE ONLY INCAPACITATING AGENT WHICH IS A HALLUCINOGEN
Term
NERVE AGENTS
Definition
THESE AGENTS AFFECT THE CENTRAL NERVOUS SYSTEM. THEY ARE KNOWN AS CHOLINESTERASE INHIBITORS. THESE AGENTS BLOCK CHOLINESTERASE ENZYMES WHICH CONTROL THE NERVE ENDINGS. THIS ALLOWS A BUILDUP OF ACETYLCHOLINE IN THE NERVE ENDINGS. ONCE CHOLINESTERASE CANNOT PASS BETWEEN YOUR NERVES THEY REACT UNCONTROLLABLY. SYMPTOMS INCLUDE HEADACHE, DROOLING, DIFFICULTY BREATHING, PINPOINTED PUPILS, SEVERE LOSS OF MUSCULAR CONTROL TO INCLUDE BLADDER AND BOWELS, CONVULSIONS AND FINALLY DEATH. NON PERSISTENT AGENTS: GA, GB, GD. PERSISTENT AGENTS: VX
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