'' Urraca '' was to be a test of about 1 megaton yield at very high altitude ( above 1000 km . ) . The proposed '' Urraca '' test was always controversial , especially after the damage caused to satellites by the '' Starfish Prime '' detonation , as described below . '' Urraca '' was finally canceled , and an extensive re-evaluation of the '' Operation Fishbowl '' plan was made during an 82-day operations pause after the '' Bluegill Prime '' disaster of July 25 , 1962 , as described below
Starfish Prime
Starfish Prime
Operation Fishbowl