TAB A
ERTE EVENT
OPERATION REDWING
1.
The ERIE device was fired at O615M, 31 May 1956.
The device
“23 positioned atop a 300-foot tower located on RUNIT Island (YVONNE)
oc; UNIWETOX Atoll.
The cloud reached an estimated height of 30,000
¢@2% with the lower portion below 20,000 feet moving to the West, and
3b3 20,000 -to 30,000 foot section moving to the Southwest.
2.
The fallout forecast for ERIE was based on an exp2cted yield
3.
Fost-shot surveys indicated a good agreement between the fore-
ten
43% end measured fallout.
The monitoring stations at WOTHO, UTIRIK
2:2 UJELANG reported no significant increase in radiation background
“i ring the three days following ERIE.
Ave
lL,
Based on the post-shot radiological surveys, reentry hour was
: tablished as O830M, 31 May 1956,
/iPge Tab w
Dee lefed.