FIG VENT OPERATICN HARDTACK 1, The FIG device was detonated on Yvonne Island, Eniwetok Atoll at °.600M, 18 August The yield was 2. at + The cloud rose to an estimated 5-6000 feet. Re~entry hour was declared at 18CCM, and the radex was cancelled i9CCHK, (13

Select target paragraph3