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                Firing Probloas

                -Roresiabtina.  H.at wave prObl~     start  at 500
1.ters.
                -Heat W~vp Proble-    ~ 4000 neters, targets are
difficult to idontify.    you can a'. sciething,    bot you cannot
i~~ntify type of ~Ghicle.   ~t 3500 saters,   it ii ~ch easier to
identi~y targets.
                *~      Diffi~It to 5.0 thrOugh.    Xf 4aze is the
prooLes, use the night sight and shoct at the center of -mass; keep
turrets  as clean   as possible; Intlen di~~~  wash o'at  with low
pressure nter.
                -A~nnitipn.   Avoid damaging/scratching: *xcessive
running gets   turret race ring dirty;   temporat~re of inside  of
turrets  lag amb£~~t teaporate by about 4 ho~rs;    4tia to no air
nove~ent, turret is e~~ely uncoafor~le at te=p*ratures above
`OF;   MBC cooling vests offer auch relief to the heat;


~aiIure scenarios listed above have been hypothesized and proven
at rPG.    Eowgver, failure analysis continues on man~ co~nents
such ~ the de-icing and teporature control val~s.           Proving
specific fajiure scenarios of a coaplete NBC systoa is an ongoing
and complicated task.

     C.  X~ ~radleys

         1.  FiLter Probl~

             ~  lir rilters
                -~p to lQ-tine~ the life of the )41 syst~
                -Service  life  of 130  miles  evan in   hea'r~ dust
en~iro~t
                -Fuol filters similar to !4l
                -~C Tilters:    Loss information known about this
system, since ~P~ does not run the a~stem as it does the Xl syste:~.

             `  Fuel rilt~£
                -Similar to xi

                ~C Filter~
                -Loss information known about this system, since ~PG
does not run the system as it does the Xl aystem.


                                1-7

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