~

—-

~

TAB _A

YUMA EVENT
OPERATION REDWING

1.

The YUMA device was fired at O75&M, 28 May 1956,

The shot was

“ived from a 200-foot tower on AOMOEN Island (SALLY) of ENIWETOK Atoll.

5, TUSA cloud reached an estimted hetchga moved to
“22 Zest at approximately 10 knots,

2.

The fallout forecast was based on an expected yield

3.

Fev surveys at H+l Hour indicated very light fallout at shot

=mt and essentially no fallout on the islands to the north and south
nen ee a eh em Ce enene a eS

I shot site,

lh. Reentry hour was established at H+13 hours,
S.

No detectable increase in radiation background was noted at the

vaisafe monitoring stations located South of the Proving Ground,

Saat.

“RY JiF Sivia ics

—~
ae)

ee

—_
-

TS

-

Dotti) Counsel
=

4
°

y

AANA Seas

me

Li

Cor iced, OEnico22

4

a

.

Tt ee

Select target paragraph3