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Operation Hardtack-History
DeHaven's specific participation in the
operation.
Between 1945 and 1962. the U.S. Atomic Energy Commission
(AEC) conducted 235 atmospheric nuclear weapon tests at sites in the United
States and in the Pacific and Atlantic oceans. In all, about 220.000 Department
of Defense (DOD) participants. both military and civilian, were present at the
tests. Of these. approximately 142.000 participated in the Pacific test series
and approximately another 4.000 in the single Atlantic test series.
In 1977. 15 years after the last above ground nuclear weapon
test, the Center for Disease Control (CDC) of the U.S. Department of Health and
Human Services noted more leukemia cases than would normally be expected among
about 3.200 soldiers who had been present at shot SMOKY, a test of the 1957
PLUMBBOB series. Since that initial report by the CDC, the Veterans
Administration (VA) has received a number of claims for medical benefits from
former military personnel who believe their health may have been affected by
their participation in the weapon testing program.
In late 1977, the DOD began a study that provided data to
both the CDC and the VA on potential exposures to ionizing radiation among the
military and civilian personnel who participated in the atmospheric testing 15
to 32 years earlier. In early 1978, the DOD also Organized a Nuclear Test
Personnel Review (NTPR) to:
- Identify DOD personnel who had taken part in the atmospheric nuclear weapon
tests
- Determine the extent of the participants exposure to ionizing radiation
- Provide public disclosure of information concerning participation by DOD
personnel in the atmospheric nuclear weapon tests.
This report on Operation HARDTACK Phase I is one of many
volumes that are the product of the NTPR. The DOD Defense Nuclear Agency (DNA),
whose Director is the executive agent of the NTPR program, prepared the
reports, which are based on military and technical documents reporting various
aspects of each of the tests. Reports of the NTPR provide a public record of
the activities and associated radiation exposures of DOD personnel for
interested former participants and for use in public health research and
Federal policy studies.
Information from which this report was compiled was
primarily extracted from planning and afteraction reports of Joint Task
Force 7 (JTF 7) and its subordinate organizations. Documents that accurately
placed personnel at the test sites were desired so that their degree of
exposure to the ionizing radiation resulting from the tests could be assessed.
The search for this information was undertaken in archives and libraries of the
Federal Government. in Special collections supported by the Federal Government.
and, where reason able, by discussion or review with participants.
For HARDTACK. the most important archival source is the
Washington National Records Center (WNRC) in Suitland, Maryland. The Naval
Archives at the Washington Navy Yard also were helpful, as was the collection
of documents assembled by the Air Force Weapons Laboratory (AFWL)
Historian, the collection now being housed in the AFWL Technical
Library at Kirtland Air Force Base, Albuquerque. New Mexico. Other archives
searched were the Department of Energy (DOE) archives at Germantown, Maryland,
its Nevada Operations Office (DOE/NV) archives at Las Vegas, and archives of
the Test Division of the Los Alamos National Laboratory.
JTF 7 exposure records were retrieved from the WNRC, and an
additional file of exposure-related documents that had been microfilmed by the
Reynolds Electrical and Engineering Company. Inc., support contractor for
DOE/NV was also useful.
Primary documentation of personnel movement in areas of
potential radiation exposure is sparse. This has been compensated for, where
possible, with inferences drawn from secondary sources and the exposure records
themselves.
The work was performed under RDT&E RMSS B350079464 U99
QMXMK 50609 H2590D for the Defense Nuclear Agency by personnel from Kaman
Tempo and R.F. Cross Associates as subcontractor. Guidance was provided by Mr.
Kenneth W. Kaye of the Defense Nuclear Agency Biomedical Effects Directorate.
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