Operation Upshot-knothole Article Index for
Operation
Website Links For
Operation
 

Information About

Operation Upshot-knothole




Over twenty-one thousand soldiers took part in the ground exercise Desert Rock V in conjunction with the Grable shot. Grable was a 280mm shell fired from the “ Atomic Cannon ” and was viewed by a number of high-ranking military officials.

Followed Operation Ivy , preceded Operation Castle . The individual shots were: