An improvised explosive device (IED) is a homemade bomb constructed from nonmilitary components designed to destroy, injure or distract. IEDs are used because they are inexpensive, effective weapons that can be easily constructed using readily available instructions and materials. IEDs typically consist of a power source, initiator, explosive material and switch, and can be initiated remotely through command wiring or autonomously. They are often concealed in everyday containers for transport.

1. IMPROVISED EXPLOSIVE
DEVICES (IED)
adapted from
US DEPARTEMNT OF HOMELAND SECURITY
OFFICE FOR BOMB PREVENTION
https://www.dhs.gov/obp

2. Definition:
• A device which is made in an improvised way and which
includes destructive, lethal, harmful, pyrotechnic, or
flammable chemicals. This device is designed to destroy,
injure, or distract. It may use military supplies, but is
normally prepared from nonmilitary components.
• Adapted from: Department of Defense Joint Publication 1-02 Dictionary of Military and Associated
Terms

3. Why are IEDs used?
• Proven to be effective
• Instructions and materials are readily available
• Inexpensive

4. PIES: power source, initiator, explosive, switch

5. Power source:

6. Initiator:

7. Commercial /military explosives:

8. Homemade explosives
• Easily manufactured
• Ingredients readily available
• Easily initiated

10. Initiating systems
•command-initiated •autonomously initiated

11. IED containers: good concealment, easy transport

12. K-9 Engineer Ordnance Disposal (EOD)

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