During the operation "Project Seal", apparently around 3,700 bombs were exploded off Whangaparaoa Peninsula in Auckland and in New Caledonia. At the time, this destructive device was seen as a possible alternative to the nuclear bomb.
|Ref: AWNS-19090204-6-4, Sir George Grey Special Collections|
The records were released in 1999 and are available at Archives New Zealand Te Rua Mahara o Te Kāwanatanga in Wellington and at the Scripps Institution Of Oceanography Archives in San Diego, California.
|Ref: AWNS-19250709-41-1, Sir George Grey Special Collections|