C
CHAPTER 17
that have been held, and at only 8 of the “water surface" (barge )
shots, although 35 barge test shote have been detonated.
Table 17-2,
Water shots for which nuclear-radiation data are available,
United States
| Operation
Water- Surface Bursts
Shot
2 (Romeo)
Castle
C
TMD)
3/1954
11
2ho
5/1954
13.5
250
4 (Union)
4/1954
6 (Nectar)
5/1954
5 (Yankee)
Flathead
Dakota
Redwing
Date
Navajo
Tewa
=
areal
7
260
1.7
120
(in Ivy-Mike
crater)
eee
195
115,
ud
7/1956
25
7/1956
215
“Shot Dakota occurred later at the same location eas Shot Flat-
head, but no depth measurements were made after Shot Flathead.
Underwater Bursts
Operation
Crossroads
Hardtack
Shot
Date
Baker
7/1946
Wahoo
4/1958
Umbrella
Wigwam
Yield
(KT)
6/1958
5/1955
Burst Depth
(Ft)
Water Depth
(Ft)
90
180
500
3000
150
32
150
2000
15000
Great Britain
Operation
Shot
C:
Date
% aay
Location
17-17
_—
-
arene ee we re He Py Gr Se RR mn +
ote