What is an Unexploded Ordnance (UXO)?

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Recently, an unexploded artillery shell was found near the official residence of Punjab Chief Minister.

What is an Unexploded Ordnance (UXO)?

  • A military ammunition or explosive device that remains unexploded even after it has been primed and fired is known as Unexploded Ordnance (UXO) in military parlance.
  • Such UXO can be left-overs from a war, a military battle inoculation exercise, field firing exercises or even be part of military scrap that is often exported from one country to another to extract metal.
  • All unexploded munitions are treated as potentially dangerous and capable of detonating till proven otherwise by professional assessment by military ammunition experts.
  • Unexploded ordnance such as the artillery shell found near the Punjab CM's residence can be used as an Improvised Explosive Device.


Q1) What is pyrotechnic substance?

A pyrotechnic substance is a substance or mixture of substances designed to produce an effect by heat, light, sound, gas or smoke or a combination of these as the result of non-detonative self-sustaining exothermic chemical reactions.

Source: Bombshell found near Punjab CM house: What is unexploded ordnance, how does it fall into civilian hands