The fallout from the March 1954 '' Bravo '' test in the Pacific would have " scientific , political and social implications that have continued for more than 40 years " . The multi-megaton test caused fallout to occur on the islands of the Rongerik and Rongelap atolls , and a Japanese fishing boat known as the '' Daigo Fukuryū Maru '' ( Lucky Dragon ) . Prior to this test , there was " insufficient " appreciation of the dangers of fallout
Bravo
Castle Bravo
Underground nuclear weapons testing