"On March 1, 1954, an experimental thermonuclear device

was exploded at the U.S. Atomic Energy Commission's Eniwetok
Proving Grounds in the Marshall Islands. Following the
detonation, unexpected changes in the wind structure

deposited radioactive materials on the inhabited atolls and
on ships of Joint Task Force #7..."
---Statement of Charles L. Dunham, M.D., Director,
Division of Biology and Medicine, AEC, 1956

Select target paragraph3