TAB A ERIE EVENT OPERATION REDWING 1, The ERIE device was fired at O615M, 31 May 1956. The device wes positioned atop a 300-foot tower located on RUNIT Island (YVONNE) of ENIWETOK Atoll. The cloud reached an estimated height of 30,000 “eet with the lower portion below 20,000 feet moving to the West, and ‘sb = 20,000 to 30,000 foot section moving to the Southwest. 20 — DNA The,fallout forecast for ERIE was based on an expected yield at 3. Post-shot surveys indicated a good agreement between the fore~ oz st and measured fallout. The monitoring stations at WOTHO, UTIRIK aid UJELANG reported no significant increase in radiation background during the three days following ERIE. lL. Based on the post-shot radiological surveys, reentry hour was established as O830M, 31 May 1956, —tqdir Savin LUG hit ,