4.2
RECOMMENDATIONS
1.
Jt is recommended that the data from all Operation Hardtack Program 2 projects be
analyzed and correlated. This is required to serve as a basis for an operational analysis to
determine safe standoff distance for antisubmarine warfare delivery of nuclear weapons under
Operation Hardtack underwater-detonation conditions.
2. It is further recommended that additional high-explosive or nuclear detonations be studied
under other detonation conditions. This is required to estimate radiological effects for other
possible weapon detonation conditions.
TABLE 4.1
ot most
ific tes:
set Ships,
wted
zero,
After
ues
109 ta
SUMMARY OF GAMMA RADIATION DATA FOR WASHED WEATHER DECKS
Dist
Ship
Shot
4-
Surface. bene
“
ft
GITR bose
r
24-H
Film Dose
r
First Major Peak
Time After Shot to Accumulate
Dose Rate and
Time
After Shot
50r
r/hr
sec
sec
sec
600r
sec
Umbrella:
DD 474
DD 592
1,900
3,000
806
527
_
549
550 ,000
200,000
DD 593
7,900
67
66
5,209
Shot
sec
Dose of
200r
450r
21.5
30.0
107
18.9
28.9
148
20.7
31.7
22.6
0
—_
25.3
—_
—
Wahoo:
ary
DD 474
2,900
~—
>1,000
—
_
—
—_
—
—~
ity of
DD 592
4,900
—
> 853
_
—
—
_
—_
—
DD 592
8,900
311
—_
—
oard
omS were
nants
mintments
befor
served
ninutes
‘ibuted
2conds
No
10t
> re-
a radiiation
‘adiaerable
board
421
3,200
170
240
400