TAB A
KICKAPOO EVENT
OPERATICN REITING
1.
The KICKAPOO device was detonated at 112M, U; June 1956
located on ACMCEN Island (SALLY) in ENIWETOK Atoll. The
. }TTKZPOO cloud reached an estimated height of 18,000 feet.
Cloud move-
reat was difficult to observe due to being partially obscured by the low
clowés and rain showers cver a major
J
2.
rtion of the ENIWDTOK area.
The fallout forecast for KICKAPOO was based on an assumed yield
cf
The expected cloud height was 18,000 feet.
The 10-
iOentgen line (dose to infinity) extended 10 miles to the southwest.
3. YOKE and YOKE I flights were flown following the detonation
for radiological reconnaissance and survey. . The surveys indicated that
tha cloud was following the predicted path.
Following the final survey
et 1L00M, the aircraft were released. No unexpected deviation of the. cloud was detected,
Cloud tracking WB-50 aircraft were not employed for
FaiSefe missions,
lh,
Based on information furnished by the P2V and initial helicopter
suzveys, reentry hour was established as 1330M.
5. .Off-atoll stations, with the exception of UJELANG, reported no
imtrease in background,
cround.,
UJELANG reported a 0.3 mr/br increase in backfa é ipj we PD:Z ered