Morch - Moy 1954 April - August Castle Series 1958 a Hordtack Phase I BRAVO | Detonation “First Rongelap and Utirik Evacuated | March Utirik Reinhabited 1954 June Rongelap i, InSitu WBC at Reinhabited Rongelap 1957 June 1958 April | CACTUS Detonation Recent WBC Peak U.S. U.S.S.R. ) U.K. ; . Atmospheric Testing 1958 May 19621963 Estimated Return to Survey at Rongelap dition | 1° ond Utirik ! August adtanton Level June “ine