Tyo -SHERESgreater ability to withstand impact than the warhead of the
Mark 12
(Implosion-type bomb;
outside diameter approximately
22 inches; weight about 1,200 pounds)
2k. The first full scale test of the H.E.
and nuclear system
for this bomb has just been conducted (see "Full Scale Tests").
A final full scale proof-test of the completec weapon,
inciuding
bomb case, fuzing system, etc., may be required at a later date.
Mark 13 (Implosion-type bomb; outside diameter 60 inches; weight
“and length undetermined)
25.
The previous design cut-off date
release date)
of June 30,
(complete design
1953 will not be met because the Armed
Forces are still establishing desired ordnance characteristics
and need to make further studies regarding the over-all length of
the bomb.
As many of the most recent advancements in fission
weapon design as possible are being incorporated in this weapon.
Studies of nuclear systems are underway at Los Alamos, and,
it is
planned to test a suitable design at Eniwetok in the Fall of 1952.