=) ° INTROOUCTION peer” The nuclear multiplication rate (elzhe) was memeured to compare it with credictions based on date from hydrodynesic shots previously carried out at Nevada Test Site, and on nevtronic celculations normalized to critical assembly meacurements. he > detonated as the Yuma shot on a 200 foot tower on Aomon Island, Fniwetok “heont, at 0766:00.9 on May °8, 1956. The yleld was about