Eniwetok Atoll, Operation HardTack I, “Oak” thermonuclear detonation from a 1.7m barge, 8.9Mton, creates an underwater crater 62m deep and 1750m wide; the test will be used to develop the W-53 warhead for Titan II missiles: the B-53 strategic bomb. Post navigation Previous Article Previous Article Summer 1958 Next Article Next Article July 1958
