photography
but as the latterwas not an
interferedwith aerial.
absolute essentM
to scientific recording,this risk couldbe taken.
Third,rain showers,which couldbe predictedas “few and
scattered”,couldbe accepted,while a predictionof “heavyshowers”
~
was less acceptabledue to possible interference with surface photographyessentialto scientificrecording. Furthermore
~ it WaS
essentialthat the drone aircraftbe kept away from all showersso
that theirfilterswouldnot be wet.
The necessityfor accurateweatherforecast
ing is obvious. It
was noticeable that duringperiodsof “normal”tradewind conditions~
weatherforecastscouldbe made with a high degreeof certaintybut
duringperiodsof littleweathermovement,forecastswere very
uncertain. This is coveredin more detailh the reportof the
Meteorologist.
It was desirableto wait for the very latestweatherfiformation
in ader to obtainthe most accurateforecast. However,other considerations
made mandatorythe establishment
of certaindeadlines
beyondwhich decisionsto proceedwith or postponethe tests could
not be delayed. The prticiplefactorwas the extentto which operations
had proceeded. For instance,if the decisionto poetand preparations
pcme was reachedpriorto the take-offof drone aircraftfrom Kwajslein,
succeedingdelaysof z hours couldbe acceptedfor an indefinite
period. However,if the decisionto delaywere reachedaltertlw drone
aircrafthad landedat Eniwetok,no more than two such delayscouldbe
25
Section111
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