Dae SECRET
5, The program for thermonuclear development, testing, and
emergency capability have been going forward with great emphasis
and speed.
The importance of these programS is increased by the
fact that the Soviet Union conducted an atomic test on
August 12, 1953, that involved beth fissien and thermonus lear
reaction,
DISCUSSTON
6, Following a meeting on September 17,
1953, at Los
Alamos among representatives cf the Atomic Rnerey Commission,
Los Alamos, UCRL-Livermore, Cak Ridge, arc Joins Task Force
Seven, proposals for the CASTLE tests were formally submitted
by Los Alamos and UCRL-~Livermore and are attached as Enclosures
"BY" and "a",
-
Enclosure "a"