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Project 11,2 = Sampling ~ H, F, Plank
(P, F, Moore)
EQUIPMENT
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Seven aircraft equipped for cloud sampling as described in the
Report were used on this mission: "A" flight, Tiger Red Ons
(F-8)); "B® flight, Tiger Red Two (F-8h); "C" flight, Hotshot One (B-57);
"D" flight, Hotshot Two (B}57); "E" flight, Hotshot Three (B-57); "F"
flight, Hotshot Four (B=57); and the control aircraft, Cassidy One (B-57).
WEATHER
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At sampling altitudes for this shot there was a thick cirrus layer
from 37,000 to 42,000 feet, and considerable haze above this, necessitating
instrument flight by the aircraft at least part of the time,
Wind shears
at sampling altitudes were considerable, with winds at adjacent levels
differing as mich as 90 degrees in direction and 10 to 15 knots in velocity.
CLOUD DESCRIPTION
The bomb cloud rose through the thick cirrus layer between 37,000 and
2,000 feet and into considerable haze above that,
There was the usual
experience with thick cloud cover that the natural clouds tend to be carried
up and consolidated with the bomb cloud, obscuring even the high layers to
visual penetration,
The bomb cloud appeared to have very little color in
the layers above 10,000 feet; which increased the confusion of the bomb
cloud with natural clouds,
SAMPLING MISSION
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The dual shot, (firing simultaneously ill rextce that all
sampling aircraft be in the air as p
conitbreegts The back up for thei
LANL BG
available samplers or as control
control aircraft was a Be50O held in