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190 Cards in this Set
- Front
- Back
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What explosive do we use as the comparison for measuring explosive power? |
TNT |
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What general requirements must material used to manufacture military explosives meet? |
Must be cheap, plentiful, & not vital to any other phase of war effort. |
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What is the brisance of a military explosive? |
The shattering or fragmentation effect |
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What term describes the tendency of a substance to produce vapors? |
Volatility |
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When a military explosive does not react with the metal that encases it or with another explosive, it is said to have what characteristic? |
A natural compatibility |
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What is meant by explosive toxicity? |
An explosives poisonous characteristics |
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What is hygroscopicity? |
The moisture-absorbinh property of an explosive |
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What is the autocombustion rate of low explosives? |
A few inches per minute to 1,300 feet per second |
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What term do we use to describe the tendency of a substance to burn with a rapid and sparklingcombustion? |
Deflagration |
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What condition is essential for an explosive to detonate rather than to merely deflagrate? |
It must be confined |
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What are the basic components of an explosive train? |
Detonator, booster, & bursting charge |
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What is the relatively small and sensitive initial component that begins the functioning of theexplosive train? |
Primar |
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What are the two means by which we can aclivate a detonator? |
The action of a primer or by a non-explosive impulse |
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What is the purpose of a delay in an explosive train? |
A delay controls the timed delay in the functioning of the train |
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What does an explosive booster do? |
Amplifies the detonation received from the detonator to detonate the main charge. |
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Which effect of a general-purpose bomb docs the most damage: blast or fragmentation? |
Blast |
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What effect causes greater penetration of the explosive charge? |
Munroe effect |
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What happens when you increase the standoff distance of an explosive? |
Its penetrating capability is increased |
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What are the four factors that control the visibility of pyrotechnics? |
1. Candle power 2. Color 3. Weather 4. Light |
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What type of weather reduces the visibility range of pyrotechnics? |
Moist weather, rain |
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How do we classify pyrotechnics? |
According to their purpose as illuminates, signals, combinations of signal & illuminants, & simulators. |
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What are the two effects of signals? |
Light & smoke |
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How can you identify pyrotechnic ammunition? |
By its nomenclature, lot number, model designation, painting, marking, national stock number, & DoD identification code |
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What is the total burn-time for the AN-MK6 Mod 3 signal? |
Approximately 40 minutes |
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What is the candlepower rating of the AN-MK13 flare? |
3,000 candlepower |
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Which day/night signal is designed to be used with only one hand? |
The MK124 Mod 0 |
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What is the A/P 25S-5A distress kit designed to do that the A/P 25S-1 is not? |
Penetrate a heavy foliage canopy |
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What is the candlepower of the M127A1 ground illumination signal? |
50,000 |
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What are the five main assemblies of the M131 ground illumination signal? |
1. Launcher 2. Ignitor 3. Delay 4. Parachute 5. Illumination composition |
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What is the M131 signal designed to do? |
To produce a distinctive red light above the ground fog, haze, or overcast |
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What safety equipment is required for handling the MK50 Mod 0 flare? |
Protective mask & butyl rubber gloves |
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Which military weapons do we classify as "small arms"? |
Those with a bore diameter (inside diameter of the barrel) of 0.50inch or less |
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What terms do we use to describe the measurement of small arms? |
Gauge & caliber |
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Which cartridge is the exception to shotgun gauging? |
.410 shotgun cartridge |
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What color is the tip of an AP bullet painted? |
Black |
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Ball ammunition is used against what type of targets? |
Personnel or light material targets |
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What is the purpose of tracer rounds? |
To illuminate the path of the bullets so the gunner can correct his/her aim |
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What is noncombat ammunition used for? |
Training & weapons testing |
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Which type of round do we use for weapons load training? |
Dummy |
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What is a small-arms cartridge? |
A complete assembly of all components necessary to fire the weapon once |
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What causes a bullet to spin? |
The rifling in the gun barrel |
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What determines the core/filler of a bullet? |
The ammunition's purpose |
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What is the term for the recess groove part of the bullet into which the cartridge case is crimpedduring assembly? |
Cannelure |
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What are the classifications of Air Force grenades? |
Service, practice, & training |
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What can functional hand grenades be used for? |
Inflict casualties or damage & for screening & signaling |
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What are the tactical classifications of service grenades? |
Fragmentation, irritant, riot control, screening smoke, signaling smoke, & incendiary |
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What is the explosive filler for M26-series grenades? |
0.39 lbs of composition B |
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Why is the base of the M34 grenade tapered? |
So that the grenade can be mounted on an M1A2 grenade projection adapter |
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What are the uses of the M25-series grenades? |
Riot & disturbance control |
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Which type of grenades are used with the M1A2 grenade protection adapter? |
Fragmentation grenades |
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Which type of grenades are used with the M2A1 grenade protection adapter? |
Chemical grenades |
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Why must M34 grenades be stored fuze end up? |
To avoid possible leakage of filler |
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What are some of the things that you look for in inspecting grenades? |
Damaged, rusted, or poorly marked inner or outer containers. Unauthorized fuzes & for deformed or missing safety pins. Look for leaking or exuding fillers; cracks, damage, or corroded grenade body or fuze; loose fuze; lot number of fuze or grenade unknown; missing markings. |
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What is the killing agent of the M18A1 antipersonnel mine? |
700 steel balls |
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What is the effective kill range of the M18A1 mine? |
100 meters |
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What safety precaution must you observe with the detonation of a claymore mine? |
Personnel up to 100 meters to sides & rear of these mines should take cover for protection. |
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What is the special feature that makes the M14 nondetectable by magnetie mine detectors? |
The M14 is constructed of practically all plastic components. |
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What are the two limitations of 60 mm light mortars? |
They have a short range & a small-explosive charge |
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What type of mortar can be broken down into several smaller loads for easier carrying? |
Medium mortar (the 81-mm) |
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What is required to move heavy mortars? |
Trucks or tracked mortar carriers |
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What initiation source do we primarily use to detonate high explosives? |
Blasting caps |
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What are the two ways in which blasting caps can be fired? |
Electrically or nonelectrically |
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What is the purpose of the yellow painted bands covering military safety fuses? |
To estimate the length for tactical situations, the single bands are designated for 1-minute lengths & the double bands are designated for 5-minute lengths. |
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What is the rate of detonation for detonating cord? |
Between 20,000 & 21,000 feet per second |
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What is the purpose of the M60 igniter? |
It is used to light a safety/time fuse. |
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What is a flash vented squib used for? |
It is used to ignite pyrotechnic or incendiary compositions or black powder |
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What is the purpose of the initiator well on the trinitrotoluene (TNT) demo block? |
Receiving the initiating explosive/charge |
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What is the advantage of military dynamite over commercial dynamite? |
Military dynamite is safer to store, transport, & handle |
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What is the purpose of the M1A4 priming adapter? |
It is used to secure electric or non-electric blasting caps in a threaded activator well of a demolition charge. |
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What is the MI clip used to hold together? |
2 strands of detonating cord |
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What do we use a galvanometer for? |
To check electrical circuits & their components |
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How do we classify bomb fuzes? |
By their position, action, & method of arming |
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Name the three main types of fuze action. |
1. Impact 2. Time 3. Proximity |
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What determines the detonation of a proximity fuze? |
Bomb reaching the preset height of function above the target |
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What are the two main types of fuze arming? |
1. Mechanically timed 2. Electronically timed |
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What are the most common safety devices found in bomb fuzes? |
Seal wires, cotter pins, safety blocks, & the detonator safe feature |
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What fuze safety device is installed at the time of manufacture? |
Safety block |
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When is the sealing wire from an M904 nose fuze removed? |
Prior to takeoff |
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What is the purpose of the empty delay cavity on the M904 and M905 fuze? |
It acts as an interrupter to the explosive train of the fuze during handling. |
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Which adapter booster do we use with the M904 fuze? |
T45 adapter booster |
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What provides the rotational force required to arm the M905 fuze? |
ATU-35-series drive assembly |
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What happens to the FMU-54/B fuze if the fin malfunctions? |
The fuze will not arm |
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What provides ground handling safety for the FMU-54? |
The safing pin |
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Name all electrical fuzes. |
FMU-81 FMU-124 FMU-139 FMU-143 FMU-152 |
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How many FZU-2/B boosters are required when an FMU-81/B fuze is installed in the tail of a bomb? |
One |
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Which fuze has only one safety device that is installed through the safety release shaft and safety device assembly? |
FMU-124 |
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Which two fuzes are used by both the Navy and the Air Force? |
FMU-139 & FMU-152 |
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What provides electrical power in the FMU-139AB fuze? |
FZU-48 initiator |
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What provides electrical power in the FMU-143 series fuze? |
FZU-32 initiator |
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What capability does the FMU-152 series fuze provide? |
Hardened target capability that provides safing, in-flight cockpit selection, & arming fuzing functions for general purpose & penetrating, unitary warheads. |
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What can be determined if the gag rod indicator is showing red and protruding from the safety pin housing of an FMU-152 series fuze? |
That the fuze is armed |
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What type of sensor is the DSU-33? |
Doppler ranging radar proximity sensor |
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Which tail fuzes are used with the DSU-33? |
FMU-139 & FMU-152 |
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Which dispenser(s) uses the FZU-39/B proximity sensor? |
The SUU-64/B, SUU-65/B, & SUU-66/B |
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What are the function height settings for the FZU-39/B? |
Ranges from 300 to 3,000 feet |
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Which booster does the FMU-113/B fuze use? |
The FZU-2/B booster |
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What indicates the FMU-113/B fuze is armed? |
Any position of the armed indicator that is red |
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What are the combined effects of the MK80 series bombs? |
Blast, penetration, & fragmentation |
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Which MK 80 series bomb weighs approximately 500 pounds? |
MK 82 series |
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How can an MK82 series bomb produce a mining or penetrating effect? |
By using delayed action fuze |
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Which BLU series bomb uses the MK83 Mod 4 bomb body? |
The BLU-110 |
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What is the NEW of the MK84 bomb? |
945 pounds |
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What are penetrator bombs designed to do? |
Designed to be used on hardened targets. Examples: buildings, underground facilities, & runways |
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What are the four penetrator bombs the Air Force uses? |
1. BLU-109 series 2. BLU-113 series 3. BLU-118 series 4. BLU-122 series |
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What is the BLU-109/B penetrator bomb capable of doing? |
It can penetrate 4 to 6 feet of reinforced concrete |
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What penetrator is a 4,000-pound class penetrator bomb? |
BLU-113 |
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Which penetrator is used as the warhead for the GBU-28 A/B and GBU-28 B/B? |
BLU-113 |
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What penetrator bomb is designed to be more lethal in confined spaces? |
BLU-118 |
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What is the payload of the M129 series bomb? |
110 paper rolls |
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What bomb was developed to drop leaflets from high-performance aircraft? |
PDU-5/B |
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The BLU-126/B LCDB designed to be used in what type of situations? |
Situations where friendly forces &/or civilians are close to the target |
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What is the NEW of the BLU-126/B LCDB? |
27 pounds |
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Why are practice bombs used instead of regular live bombs during training? |
To provide low-cost target practice for flight crews of fighter & bomber aircraft |
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When would you use the CXU-3A/B spotting charge? |
When the danger of starting brush or forest fires is high |
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What practice bomb simulates the MK82 high-drag bomb? |
The BDU-48/B |
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The MK106 practice bomb simulates what live bomb? |
MK82 high drag |
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Which CBU-87 series bomb comes equipped with a dummy proximity sensor? |
The CBU-87/B |
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Explain how a CBU-87 functions once deployed. |
When the mechanical timer expires or the height of function setting for the proximity sensor is reached, an explosive bolt functions allowing the fins to can't & spin the dispenser. When the dispenser reaches a preset RPM, the linear-shaped cutting charge functions & splits the dispenser into 3 sections from front to rear. |
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What bomblets are used in the CBU-87? |
BLU-97/B OR BLU-97A/B anti-material/anti-tank bomblets |
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What is the only difference between the BLU-97/B and BLU-97A/B bomblets? |
The only difference between 97/B & 97A/B bomblets is that in the A/B model the fuze assembly uses an all mechanical secondary firing system |
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How does the CBU-89/B differ from the CBU-87/B? |
They are physically the same except the CBU-89/B does not have canted fins, an explosive bolt, & it uses the SUU-64 dispenser. |
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How many and what type of bomblets are loaded in the CBU-89? |
72 each BLU-91/B bomblets & 22 each BLU-92/B mines |
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The BLU-91/B bomblets are designed for what specific type of target? |
Combat tanks |
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Besides setting off a tripline, what else would cause a BLU-92/B mine to detonate? |
Mine disturbance, low battery voltage, or the expiration of the self-distruct timer |
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How many and what type of bomblets are loaded in a CBU-105? |
10 each BLU-108/B submunitions |
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The CBU-105 series is designed for what type of target? |
Tanks & armored support vehicles |
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How does a BLU-108 submunition device destroy a detected target? |
Fires an explosive forged penetrating projectile at the target |
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Which CBU series is considered to be wind-corrected munitions? |
CBU-103, CBU-104, & CBU-105 |
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How does the WCMD function? |
The WCMD tail kit provides guidance & navigation during free flight. Correction for wind effects, ballistics dispersion & launch transients for munitions delivered from high altitude are communicated with carrier aircraft prior to weapon separation. The control actuation assembly cants the fins to spin the dispencer during flight |
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How are 20 mm cartridges classified? |
According to their purpose |
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How is an API round initiated? |
On impact |
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What is the semi-armor piercing, high-explosive and incendiary PGU-28 series round used for? |
Aircraft & light material targets |
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What are the combat effects of a HEI round? |
It is a combined explosive & incendiary effect |
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Name two uses for 20 mm dummy ammo. |
1. Testing feeder assemblies 2. Drill/familiarization |
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The 20 mm cartridge case is usually made of what material? |
Brass |
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What is the purpose of the bourrelet? |
It acts as a forward-bearing surface to prevent the projectile from wobbling as it passes through the bore. |
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What do the other chemicals in double-base propellant do? |
They minimize smoke & flash, increase stability, & permit uniform loading during manufacture. |
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Which 20 mm round requires a fuze to detonate the projectile? |
The HEI round |
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What is the safety feature of the M505 fuze? |
The fuze is bore safe |
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How can we identify 20 mm ammunition? |
By model number, lot number, & manufacturer's symbol, all of which are marked or stamped on the side of projectile. |
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What container are 20 mm rounds stored in? |
The M548 container (linkless or linked belt) |
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What Air Force aircraft fires the 25 mm round? |
The AC-130 gunship |
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What is 25 mm PGU-23/U amınunition used for? |
Target practice for pilot proficiency training |
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What does the PGU-25/U high-explosive incendiary round consist of? |
A steel cartridge case, an M115 percussion primer, an ignition booster, a projectile, and an M505 fuze. |
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What is 25 mm cartridge case made of? |
Steel |
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A functioning MI15 percussion primer is used with which 25 mm round(s)? |
All 25 mm rounds except for dummy rounds |
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What fuze is used in the 25 mm HEI round? |
M505 |
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What markings can you find on the cartridge case of 25 mm ammo? |
Model number, type, & lot number |
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What are 25 mm rounds packaged into for storage? |
CNU-405/E ammunition shipping & storage containers |
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How do we classify 30 mm ammo? |
According to its purpose |
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PGU-15 ammunition is used for what purpose? |
Pilot training, weapon testing, & aircraft system checkout |
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What impact fuze is used on the 30 mm HEI round? |
M505A3 |
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What are the two purposes of the fumer charge in the APIT rounds? |
1. Reduce air drag during flight to the target 2. To give visible trace of flight path |
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What does the projectile retaining screw in the PGU-16/A dummy round do? |
It holds the projectile in the cartridge & simulates the weight of the propellant & the center of gravity of the round. |
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The 30 mm cartridge case is made of what material? |
Aluminum |
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What type of propellant does the 30 mm round use? |
Double-base |
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How can you identify 30 mm ammo? |
By its model number, lot number, part number, & color coding. |
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What color(s) are 30 mm API and APIT rounds painted? |
Both rounds have a black projectile with a red band & white markings |
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How are 30 mm dummy rounds identified? |
Bronze or gold projectile with black markings |
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How is ammunition for M2A1 cannon classified? |
Accordining to type of projectile &/or fuze |
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Which round has a red tracer composition and an M69 dummy fuze? |
40 mm AAA target practice tracer (TPT) round |
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What fuze does the PGU-9 C/B round use? |
FMU-154/B fuze |
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What is the minimum specification no arm distance for the FMU-154/B? |
140 feet |
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What are all 40 mm airborne artillery ammunition packed in for storage/transporting? |
MK1 ammunition boxes |
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How are USAF 105 mm rounds classified? |
As fixed complete rounds depending on their use/function |
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What are some uses for the 105 mm high explosive (HE) round? |
Conventional fire support for harassment & interdiction, fragmentation, mining, & blast effect. |
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What point detonating fuze is used with the PGU 44/B? |
FMU-153 |
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If the proximity mode fails, how does the FMU-160/B fuze detonate? |
By impact (point detonating backup) |
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What is the NEW of the PGU-43/B TP round? |
0.3 pound TNT supplementary charge |
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What round is designed to remove a projectile lodged in the bore of a 105 mm cannon? |
The 105 mm clearing round |
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Which military aircraft carry countermeasure flares? |
All major USAF tactical fighters, bombers, & cargo aircraft |
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What is used to safe an ALA-17 flare set for handling? |
Shorting ring |
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What is the maximum number of MJU-7-series flares that the MJU-12 flare magazine holds? |
15 |
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Why is the SD-206 Smokey Devil flare simulator used? |
Instead of burning, it provides a yellowish smoke to simulate a flare for training purposes. |
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Which countermeasure system consists of a towed decoy? |
AN/ALE-50 TDS |
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What is the maximum number of decoys that can be carried on a B1B? |
8 |
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What is the purpose of chaff munitions? |
They are used to scramble enemy radar signal returns |
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RR-188 series chaff is restricted to what type of flying missions? |
Training |
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Which type of flare is designed to ignite in the air, then burn on the ground? |
Target market flare |
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How do most illumination flares extend their burn time while airborne? |
By using large parachutes |
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What color light does the LUU-5/B provide? |
Green |
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Which illuminating flare produces an off-white light at two-million candlepower for an average of 5 minutes? |
LUU-2 series |
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The LUU-19 series flare provides what primary type of illumination? |
Light/energy in the near-infrared region spectrum for night vision use |
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Name three examples of a CAD. |
1. Initiators 2. Thrusters 3. Catapults |
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When are mechanically-operated initiators fired? |
When the initiator pin is withdrawn by a force of 20 to 35 pounds |
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Once an initiator supplies the pressure needed for the firing mechanism, what jobs can thrustersperform? |
Position ejection seats, slow control columns, & open the canopy or escape hatch locks. |
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What are catapults specifically designed to do? |
Eject the pilot's seat & the pilot from an aircraft under emergency situations. |
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What do removers do? |
Jettison the canopy forcibly from the aircraft |
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What is a propellant-actuated device (PAD)? |
A device that uses a propellant that is an integral part of the device to provide a source of gas pressure to perform its intended function |
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What are impuise cartridges used for? |
To furnish explosive power to separate munitions, fuel tanks, launchers, dispensers, racks, etc., from an aircraft |
