Keywords: Operation Plumbbob - Priscilla.jpg en The PRISCILLA Event conducted at the Nevada Test Site June 24 1957 was a 37 kiloton device exploded from a balloon Nevada National Security Site Tour Booklet http //www ecos org/files/4441_file_NNSS_Handout_Pgs41_67 pdf part 3 Federal government of the United States 1957-06-24 PD-USGov Plumbbob Priscilla |