Tan Initiator
9,
Conversion of the stockpile of nuclear cores to
naecommodate the new smaller initiator,
storted in October,
called Tom, which was
1950, hes been completcad.
10. The permissible lower limit of radioactivity for
initiators has been reduced to half the previously specified value.
On the basis of statistical probebility,
the change wiil result
ine slight increase in the nverare yield of weapons.
This
mocificstion appreciably reduces the nmount of polonium which
must be produced to maintain initintors in the stockpile.
i Fractional
Crit Core
Abee Fuze
12, The new electronic fuze (Abec), which has been produced
for use in the Mark 5 and Mark 6 bombs and which may be used in
the Mark 7 and Mark 12 bombs, wos designed to give maximum
protection from the possibility of enemy jamming and 1s a highly
complicated device.
Several difficulties have .\become apparent
a
Y Sp)
Ae
TP
~<Satye VD ity ac
Ro fa Coe TIAIE i