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.

Select target paragraph3