The above list is exclusive of the two weapons detonated
in combat during World War II.
With respect to the British series, the United Kingdom
has announced the following series and number of shots:
Date
Australia
1952
il
No.
1956
"
:
Christmas Island
of Shots
MEN H
Location
1956
1957
Of several Soviet references to their tests, they have
announced one on 20 August 1953, shortly before the U, 8S, announcement was issued; made a general statement on 18 September 1953 to
the effect that they had conducted several tests in recent weeks
which constituted confirmation of the U. 8. announcement of 31
August 1953: and announced a test on 10 September 1956 about
which the U. S, made no comment,
The United States has from
time to time announced certain of the tests,
Copies of these
announcements are attached,
From a review of these announcements
it can be noted that the U. S. has announced 23 specific USSR
Getonations,
A complete list of all detected shots cannot be
provided on an unclassified basis.
In this respect on August
26, 1956, the Chairman of the AEC stated: "Although there have
been but 13 announcements by the U, S, regarding Soviet testing,
several have noted a series of detonations and the actuai number
of Soviet detonations is significantly higher than 13,"
Should you desire a classified summarization of the
information requested which cannot be given on an unclassified
pasis, I would be most pleased to provide this separately,
Sincerely yours,
/s/
KK, E, Fields
General Manager
-5-
Enclosure IV