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              MOB ILITY/COUNTERMOB ILITY/SURVIVABILITY

    TOPIC:  Decontamination.

    OBSERVATION:   Deliberate decontamination is seldom a good
idea in desert operations.  The natural weathering due to hot
temperatures, wind, and humidity, will normally reduce
contamination to acceptable levels before a deliberate
decontamination operation could be planned and executed.  Also
our current decontamination operations require large quantities
of water.  This in itself will probably preclude conducting
deliberate decontaminatj.on operations.

    LESSON LEARNED:   Conduct deliberate decontamination only as
an exception to policy when operating in extremely hot
temperatures.   Ensure that the decision to conduct deliberate
decontamination operations makes sense both tactically and
technically.

    VIEWER NOTES:


    TOPIC:  Miosis.

    OBSERVATION:   Threshold concentrations of nerve agent
vapors can quickly cause miosis (involuntary constriction of
the pupil).   This results ~n loss of visual acuity and depth
perception.   Effects can last minutes to hours depending on
vapor concentration.   This will cause serious problems for
pilots, riflemen, and anyone else performing duties where
visual acuity and depth perception are necessary for mission
performance.

    LESSON LEARNED:   Immediately close mask when a chemical
alarm sounds during an attack on your position.

    VIEWER NOTES:


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