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Page Title:
Characteristics of NHC contamination survivability |
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|  MIL-D-70789A (AR)
pointing device is out of travel lock, Travel Lock Pitch
Reference equals the value of Pointing Device Pitch when the
pointing device was last in travel lock. In the case where the
pointing device is a weapon, the reference is corrected for any
vehicle chassis motion resulting from weapon firing.
6.8
Definitions.
6.8.1 Characteristics of NHC contamination survivability
NBC contamination survivability is the capability of a system and
its crew to withstand an NBC-contaminated environment, including
decontamination, without losing the ability to accomplish the
assigned mission. Characteristics of NBC contamination
survivability are decontaminability, hardness, and compatibility.
To survive NBC contamination, material must meet criteria for all
three.
6.8.1.1 Decontaminability. The ability of a system to be
decontaminated to reduce the hazard to personnel operating,
maintaining and resupplying it is termed "decontaminability."
Key to this definition is the requirement to be able to reduce
the hazard to personnel: Since the principal benefit of
decontamination is to allow the crew to reduce its level of
protection, decontaminability criteria must be related to the
response of unprotected personnel. NBC contaminants could
eventually breach the shield of the protective ensemble.
Therefore, when operations permit, the contaminants should be
removed where they present a hazard. Further, decontamination
reduces the soldier's vulnerability when the shield is dropped to
satisfy basic physiological needs or to replace components of the
NBC protective ensemble. Decontamination procedures are
described in FM 3-5.
6.8.1.2
Hardness. The ability of a system to withstand the
damaging effects of NBC contamination and any decontamination
agents and procedures required to decontaminate it is termed
"hardness." Although strongly related to decontaminability,
hardness is a distinct characteristic; decontaminability refers
to reducing the hazard to personnel as a result of
decontamination efforts, while hardness refers to the condition
of the equipment after it has been subjected to an agent
decontamination.
6.8.1.3. Compatibility. The ability of a system to be
operated, maintained, and resupplied by personnel wearing the
full NBC protective ensemble is termed "compatibility" Even if a
piece of equipment is completely hardened against NBC
contamination and decontaminants and can also be easily
decontaminated, it still must have the capability of bering
operated effectively.while in an NBC contaminated environment.
138
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