IED's Flashcards
1
Q
identify 3 effects of an explosion:
A
1) Thermal effect
2) Blast pressure effect
3) Fragmentation effect
2
Q
Thermal effect
A
- fireball
- least damaging
- can cause localized ignition of highly COMBUSTABLE MATERIALS
3
Q
Blast pressure effect
A
- most powerful and destructive
4
Q
Fragmentation effect
A
- primary: anything attached to frag
- secondary: anything else it picks up during explosion
5
Q
what is the primary cause of fatalities in an explosion?
A
- the SECONDARY BLAST injuries from fragmentation
6
Q
components of an IED:
A
- PIES
- Power source: the battery
- Initiator: blasting caps
- Explosives: high and low
- Switches: timed, victim operated, command
7
Q
2 types of explosives:
A
- low explosives
- high explosives
8
Q
low explosives
A
- typically just burn. In order for it to explode it has to be CONFINED.
9
Q
high explosives
A
- does not need to be confined for an explosion
10
Q
what are the main homemade explosives used by terrorists?
A
- Ammonium nitrate and Urea Nitrate based explosives
- Almost exclusively used in VBIEDs
11
Q
TATP and HMTD look similar to what in dry form?
A
- cocaine or heroin
12
Q
3 most common types of SWITCHES:
A
- timed
- victim operated
- command
13
Q
what is the most common switch used for vehicle born IEDs (VBIED)?
A
- timed
14
Q
Do not use _____ or ______ within the established perimeter of the evacuation area!
A
- radios or cellphones
15
Q
If an IED is command detonated:
A
- the terrorist guarding the device will detonate as soon as it is discovered. REMAIN CLEAR OF THE DEVICE!
