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dose was continuing to rise at the rate of 50 mr. /min, and the radiological
advisor aboard decided to disontinue the mission and return to base.
The
standby aircraft took off and was flown toa point on a bearing of 330 degrees
ata distance of 120 miles from surface zero.
AH #/ 8 hours the aircraft
searched on course 225 degrees, but no fallout was encountered,
At
H # 10 hours the active fallout area was reentered at bearing 283 degrees,
140 miles from surface zero, 2nd a sample taken.
At H / 13 hours a third
sample was collected at bearing 278 degrees, 150 miles from surface zero,
eT
2.3.4
Oak Event.
There was no rocket participation during Shot Oak.
Circumstances leading to the discontinustion of the rocket sampling portion
of the project are outlined in Section 2,3.5 and Appendix A.
a
5 samples were taken from the cloud by B-57D aircraft between 2 and
26 hours post shot time (see Tables BS & B6).
Both the wing tank and
coincident samplers were operative on all flights,
A WB-50 aircraft collected samples from the northeastern edge of the
fallout pattern at 4, 6, 8, 10 and 1]-1/2 hours after the detonation,
The
fallout was encountered ona bearing of 300-310 degrees at 65, 93, 125,
160 and 187 miles from surface zero,
The operation pregressed without
incident, due mainly to the experience gained by the participating personnel