| 摘要 |
Many of today's weapons systems use surveillance and target acquisition (STA ) devices which can exploit the infrared and millimetre wavebands of the electromagnetic spectrum. Designing obscurant devices which can provide screening against such systems often results in complicated or costly solutions. A device capable of mitigating these problems is described wherei n an obscurant device (10), and more particularly a device capable of providin g screening against the visual, infrared and millimetre wave regions of the electromagnetic spectrum, comprises an obscurant payload, a burster charge capable, when detonated by a detonator, of disseminating said payload and a payload casing wherein some or all of the payload casing is configured to disintegrate upon actuation of the burster charge and to act thereafter as a n obscurant.
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